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    Command:

    xterm

    
    
    

    SYNOPSIS

           xterm [-toolkitoption ...] [-option ...] [shell]
    
    
    

    DESCRIPTION

           The  xterm  program is a terminal emulator for the X Window System.  It
           provides DEC VT102/VT220 (VTxxx) and Tektronix 4014  compatible  termi-
           nals  for  programs that cannot use the window system directly.  If the
           underlying operating system  supports  terminal  resizing  capabilities
           (for  example,  the  SIGWINCH  signal  in systems derived from 4.3bsd),
           xterm will use the facilities to notify programs running in the  window
           whenever it is resized.
    
           The  VTxxx  and  Tektronix 4014 terminals each have their own window so
           that you can edit text in one and look at graphics in the other at  the
           same  time.   To maintain the correct aspect ratio (height/width), Tek-
           tronix graphics will be restricted to the largest  box  with  a  4014's
           aspect  ratio  that will fit in the window.  This box is located in the
           upper left area of the window.
    
           Although both windows may be displayed at the same time, one of them is
           considered  the "active" window for receiving keyboard input and termi-
           nal output.  This is the window that contains  the  text  cursor.   The
           active  window can be chosen through escape sequences, the "VT Options"
           menu in the VTxxx window, and the "Tek Options" menu in the  4014  win-
           dow.
    
    
    

    EMULATIONS

           The  VT102  emulation  is fairly complete, but does not support autore-
           peat.  Double-size characters  are  displayed  properly  if  your  font
           server  supports  scalable fonts.  The VT220 emulation does not support
           soft fonts, it is otherwise complete.   Termcap(5)  entries  that  work
           with  xterm  include  an  optional  platform-specific  entry,  "xterm,"
           "vt102," "vt100," "ansi" and "dumb."  xterm automatically searches  the
           termcap  file  in this order for these entries and then sets the "TERM"
           and the "TERMCAP" environment variables.  You  may  also  use  "vt220,"
           but  must  set  the  terminal  emulation  level  with the decTerminalID
           resource.  (The "TERMCAP" environment variable is not set if  xterm  is
           linked  against  a terminfo library, since the requisite information is
           not provided by the termcap emulation of terminfo libraries).
    
           Many of the special xterm features may be modified under  program  con-
           trol  through  a  set  of  escape sequences different from the standard
           VT102 escape sequences.  (See the Xterm Control Sequences document.)
    
           The Tektronix 4014 emulation is also fairly good.  It  supports  12-bit
           graphics  addressing,  scaled  to the window size.  Four different font
           sizes and five different lines types are supported.  There is no write-
           through  or  defocused  mode  support.  The Tektronix text and graphics
           commands are recorded internally by xterm and may be written to a  file
           by sending the COPY escape sequence (or through the Tektronix menu; see
           below).  The name of the file will be "COPYyyyy-MM-dd.hh:mm:ss",  where
           yyyy,  MM, dd, hh, mm and ss are the year, month, day, hour, minute and
           In VT102 mode, there are escape sequences to activate and deactivate an
           alternate screen buffer, which is the same size as the display area  of
           the  window.   When activated, the current screen is saved and replaced
           with the alternate screen.  Saving of lines scrolled off the top of the
           window is disabled until the normal screen is restored.  The termcap(5)
           entry for xterm allows the visual editor vi(1) to switch to the  alter-
           nate  screen  for  editing  and to restore the screen on exit.  A popup
           menu entry makes it simple to switch between the normal  and  alternate
           screens for cut and paste.
    
           In either VT102 or Tektronix mode, there are escape sequences to change
           the name of the windows.  Additionally, in VT102 mode, xterm implements
           the window-manipulation control sequences from dtterm, such as resizing
           the window, setting its location on the screen.
    
           Xterm allows character-based applications to receive mouse events (cur-
           rently  button-press  and  release events, and button-motion events) as
           keyboard control sequences.  See Xterm Control Sequences for details.
    
    
    

    OPTIONS

           The xterm terminal emulator accepts the standard X Toolkit command line
           options  as  well  as many application-specific options.  If the option
           begins with a '+' instead of a '-',  the  option  is  restored  to  its
           default  value.  The -version and -help options are interpreted even if
           xterm cannot open the display, and are useful for testing and  configu-
           ration  scripts.   Along  with  -class,  they  are checked before other
           options.
    
           -version
                   This causes xterm to print a version  number  to  the  standard
                   output, and then exit.
    
           -help   This causes xterm to print out a verbose message describing its
                   options, one per line.  The message is written to the  standard
                   output.  After printing the message, xterm exits.  Xterm gener-
                   ates this message, sorting it and noting whether a "-option" or
                   a  "+option"  turns  the feature on or off, since some features
                   historically have been one or the  other.   Xterm  generates  a
                   concise  help  message  (multiple  options  per  line)  when an
                   unknown option is used, e.g.,
                        xterm -z
    
                   If the logic for a particular option such  as  logging  is  not
                   compiled  into xterm, the help text for that option also is not
                   displayed by the -help option.
    
           One parameter (after all options) may be given.  That overrides xterm's
           built-in  choice  of  shell  program.   Normally xterm checks the SHELL
           variable.  If that is not set, xterm tries to  use  the  shell  program
           specified  in  the  password  file.   If  that  is  not set, xterm uses
           /bin/sh.  If the parameter names an executable file,  xterm  uses  that
           instead.   The parameter must be an absolute path, or name a file found
                   sor whenever the focus is lost or the pointer leaves  the  win-
                   dow.
    
           +ah     This  option  indicates  that xterm should do text cursor high-
                   lighting based on focus.
    
           -ai     This option disables active icon support if  that  feature  was
                   compiled  into  xterm.  This is equivalent to setting the vt100
                   resource activeIcon to "false".
    
           +ai     This option enables active icon support  if  that  feature  was
                   compiled  into  xterm.  This is equivalent to setting the vt100
                   resource activeIcon to "true".
    
           -aw     This option indicates that auto-wraparound should  be  allowed.
                   This  allows  the cursor to automatically wrap to the beginning
                   of the next line when it is at the rightmost position of a line
                   and text is output.
    
           +aw     This  option  indicates  that  auto-wraparound  should  not  be
                   allowed.
    
           -b number
                   This option specifies the size of the inner  border  (the  dis-
                   tance  between  the outer edge of the characters and the window
                   border) in pixels.  That is the vt100 internalBorder  resource.
                   The default is "2".
    
           +bc     turn  off text cursor blinking.  This overrides the cursorBlink
                   resource.
    
           -bc     turn on text cursor blinking.  This overrides  the  cursorBlink
                   resource.
    
           -bcf milliseconds
                   set the amount of time text cursor is off when blinking via the
                   cursorOffTime resource.
    
           -bcn milliseconds
                   set the amount of time text cursor is on when blinking via  the
                   cursorOffTime resource.
    
           -bdc    Set  the  vt100  resource colorBDMode to "false", disabling the
                   display of characters with bold attribute as color
    
           +bdc    Set the vt100 resource colorBDMode to "true", enabling the dis-
                   play  of  characters  with  bold attribute as color rather than
                   bold
    
           -cb     Set the vt100 resource cutToBeginningOfLine to "false".
    
           +cb     Set the vt100 resource cutToBeginningOfLine to "true".
                   the command line or faceName resource.  The default is "false"
    
           +cjk_width
                   Reset the cjkWidth resource.
    
           -class string
                   This  option  allows  you  to  override xterm's resource class.
                   Normally it is "XTerm", but can be set to another class such as
                   "UXTerm" to override selected resources.
    
           -cm     This  option  disables  recognition of ANSI color-change escape
                   sequences.  It sets the colorMode resource to "false".
    
           +cm     This option enables recognition  of  ANSI  color-change  escape
                   sequences.  This is the same as the vt100 resource colorMode.
    
           -cn     This  option indicates that newlines should not be cut in line-
                   mode selections.  It sets the cutNewline resource to "false".
    
           +cn     This option indicates that newlines should be cut in  line-mode
                   selections.  It sets the cutNewline resource to "true".
    
           -cr color
                   This  option  specifies  the color to use for text cursor.  The
                   default is to use the same foreground color that  is  used  for
                   text.  It sets the cursorColor resource according to the param-
                   eter.
    
           -cu     This option indicates that xterm should work around  a  bug  in
                   the more(1) program that causes it to incorrectly display lines
                   that are exactly the width of the window and are followed by  a
                   line beginning with a tab (the leading tabs are not displayed).
                   This option is so named because it was originally thought to be
                   a bug in the curses(3x) cursor motion package.
    
           +cu     This  option  indicates  that  xterm should not work around the
                   more(1) bug mentioned above.
    
           -dc     This option disables the escape sequence to change dynamic col-
                   ors:  the vt100 foreground and background colors, its text cur-
                   sor color, the pointer cursor foreground and background colors,
                   the  Tektronix  emulator  foreground and background colors, its
                   text cursor color and highlight color.   The  option  sets  the
                   dynamicColors option to "false".
    
           +dc     This  option enables the escape sequence to change dynamic col-
                   ors.  The option sets the dynamicColors option to "true".
    
           -e program [ arguments ... ]
                   This option specifies the program (and its command  line  argu-
                   ments)  to be run in the xterm window.  It also sets the window
                   title and icon name to be the basename  of  the  program  being
                   otherwise  it  is  ignored.   If only one of the normal or bold
                   fonts is specified, it will be used as the normal font and  the
                   bold font will be produced by overstriking this font.
    
                   See   also   the  discussion  of  boldMode  and  alwaysBoldMode
                   resources.
    
           -fa pattern
                   This option sets  the  pattern  for  fonts  selected  from  the
                   FreeType  library if support for that library was compiled into
                   xterm.  This corresponds to the faceName resource.  When a  CJK
                   double-width  font  is  specified, you also need to turn on the
                   cjkWidth resource.
    
                   See also the renderFont resource, which combines with  this  to
                   determine whether FreeType fonts are initially active.
    
           -fbb    This option indicates that xterm should compare normal and bold
                   fonts bounding boxes to ensure they are  compatible.   It  sets
                   the freeBoldBox resource to "false".
    
           +fbb    This  option indicates that xterm should not compare normal and
                   bold fonts bounding boxes to ensure they  are  compatible.   It
                   sets the freeBoldBox resource to "true".
    
           -fbx    This  option  indicates  that  xterm should not assume that the
                   normal and bold fonts have VT100 line-drawing  characters.   If
                   any  are  missing, xterm will draw the characters directly.  It
                   sets the forceBoxChars resource to "false".
    
           +fbx    This option indicates that xterm should assume that the  normal
                   and bold fonts have VT100 line-drawing characters.  It sets the
                   forceBoxChars resource to "true".
    
           -fd pattern
                   This option sets the pattern for  double-width  fonts  selected
                   from  the FreeType library if support for that library was com-
                   piled into xterm.  This corresponds to  the  faceNameDoublesize
                   resource.
    
           -fi font
                   This  option sets the font for active icons if that feature was
                   compiled into xterm.
    
                   See also the discussion of the iconFont resource.
    
           -fs size
                   This option sets the pointsize  for  fonts  selected  from  the
                   FreeType  library if support for that library was compiled into
                   xterm.  This corresponds to the faceSize resource.
    
           -fullscreen
                   normal font.  This corresponds to the wideFont resource.
    
           -fwb font
                   This option specifies the font to be used for  displaying  bold
                   wide  text.  By default, it will attempt to use a font twice as
                   wide as the font that will be used to draw bold  text.   If  no
                   double-width  font  is  found, it will improvise, by stretching
                   the bold font.  This corresponds to the wideBoldFont  resource.
    
           -fx font
                   This  option  specifies  the font to be used for displaying the
                   preedit string in the "OverTheSpot" input method.
    
                   See also the discussion of the ximFont resource.
    
           -hc color
                   (see -selbg).
    
           -hf     This option indicates that HP Function Key escape codes  should
                   be  generated  for  function  keys.  It sets the hpFunctionKeys
                   resource to "true".
    
           +hf     This option indicates that HP Function Key escape codes  should
                   not be generated for function keys.  It sets the hpFunctionKeys
                   resource to "false".
    
           -hm     Tells xterm to use  highlightTextColor  and  highlightColor  to
                   override  the reversed foreground/background colors in a selec-
                   tion.  It sets the highlightColorMode resource to "true".
    
           +hm     Tells xterm not to use highlightTextColor and highlightColor to
                   override  the reversed foreground/background colors in a selec-
                   tion.  It sets the highlightColorMode resource to "false".
    
           -hold   Turn on the hold resource, i.e.,  xterm  will  not  immediately
                   destroy  its  window when the shell command completes.  It will
                   wait until you use the window manager to destroy/kill the  win-
                   dow,  or  if you use the menu entries that send a signal, e.g.,
                   HUP or KILL.
    
           +hold   Turn off  the  hold  resource,  i.e.,  xterm  will  immediately
                   destroy its window when the shell command completes.
    
           -ie     Turn on the ptyInitialErase resource, i.e., use the pseudo-ter-
                   minal's sense of the stty erase value.
    
           +ie     Turn off the ptyInitialErase resource, i.e., set the stty erase
                   value  using  the  kb string from the termcap entry as a refer-
                   ence, if available.
    
           -im     Turn on the useInsertMode resource, which forces use of  insert
                   mode  by  adding appropriate entries to the TERMCAP environment
                   much  faster  when scanning through large amounts of text.  The
                   VT100 escape sequences for enabling and disabling smooth scroll
                   as  well as the "VT Options" menu can be used to turn this fea-
                   ture on or off.
    
           +j      This option indicates that xterm should not do jump  scrolling.
    
           -k8     This   option   sets   the   allowC1Printable  resource.   When
                   allowC1Printable is set, xterm overrides the mapping of C1 con-
                   trol characters (code 128-159) to treat them as printable.
    
           +k8     This option resets the allowC1Printable resource.
    
           -kt keyboardtype
                   This  option  sets  the keyboardType resource.  Possible values
                   include: "unknown", "default", "hp", "sco", "sun",  "tcap"  and
                   "vt220".
    
                   The  value  "unknown",  causes the corresponding resource to be
                   ignored.
    
                   The  value  "default",  suppresses  the  associated   resources
                   hpFunctionKeys, scoFunctionKeys, sunFunctionKeys, tcapFunction-
                   Keys and sunKeyboard, using the Sun/PC keyboard layout.
    
           -l      Turn logging on.  Normally logging is  not  supported,  due  to
                   security  concerns.   Some  versions  of xterm may have logging
                   enabled.  The logfile is written to the  directory  from  which
                   xterm is invoked.  The filename is generated, of the form
    
                        XtermLog.XXXXXX
    
                   or
    
                        Xterm.log.hostname.yyyy.mm.dd.hh.mm.ss.XXXXXX
    
                   depending on how xterm was built.
    
           +l      Turn logging off.
    
           -lc     Turn  on  support  of various encodings according to the users'
                   locale setting, i.e., LC_ALL,  LC_CTYPE,  or  LANG  environment
                   variables.   This  is  achieved by turning on UTF-8 mode and by
                   invoking luit  for  conversion  between  locale  encodings  and
                   UTF-8.   (luit  is  not invoked in UTF-8 locales.)  This corre-
                   sponds to the locale resource.
    
                   The actual list of encodings which are supported is  determined
                   by luit.  Consult the luit manual page for further details.
    
                   See  also the discussion of the -u8 option which supports UTF-8
                   locales.
    
           -lf filename
                   Specify the log-filename.  See the -l option.
    
           -ls     This  option  indicates  that  the shell that is started in the
                   xterm window will be a login shell (i.e., the  first  character
                   of  argv[0]  will  be  a  dash, indicating to the shell that it
                   should read the user's .login or .profile).
    
                   The -ls flag and the loginShell resource are ignored if  -e  is
                   also  given,  because xterm does not know how to make the shell
                   start the given command after whatever it does  when  it  is  a
                   login  shell  - the user's shell of choice need not be a Bourne
                   shell after all.  Also, xterm -e is supposed to provide a  con-
                   sistent functionality for other applications that need to start
                   text-mode programs in a window,  and  if  loginShell  were  not
                   ignored, the result of ~/.profile might interfere with that.
    
                   If you do want the effect of -ls and -e simultaneously, you may
                   get away with something like
                          xterm -e /bin/bash -l -c "my command here"
    
                   Finally, -ls is not completely  ignored,  because  xterm -ls -e
                   does  write  a  /var/log/wtmp  entry  (if configured to do so),
                   whereas xterm -e does not.
    
           -maximized
                   This option indicates that xterm should ask the window  manager
                   to  maximize  its  layout  on startup.  This corresponds to the
                   maximized resource.
    
                   Maximizing is not the reverse of iconifying; it is possible  to
                   do both with certain window managers.
    
           +maximized
                   This  option indicates that xterm should ask the window manager
                   to maximize its layout on startup.
    
           +ls     This option indicates that the shell that is started should not
                   be a login shell (i.e., it will be a normal "subshell").
    
           -mb     This option indicates that xterm should ring a margin bell when
                   the user types near the right end of a line.
    
           +mb     This option indicates that margin bell should not be rung.
    
           -mc milliseconds
                   This option specifies  the  maximum  time  between  multi-click
                   selections.
    
           -mesg   Turn  off the messages resource, i.e., disallow write access to
                   the terminal.
    
                   the pointerColor resource.
    
           -nb number
                   This  option  specifies the number of characters from the right
                   end of a line at which the margin bell, if enabled, will  ring.
                   The default is "10".
    
           -nul    This option disables the display of underlining.
    
           +nul    This option enables the display of underlining.
    
           -pc     This  option enables the PC-style use of bold colors (see bold-
                   Colors resource).
    
           +pc     This option disables the PC-style use of bold colors.
    
           -pob    This option indicates that the window should be raised whenever
                   a Control-G is received.
    
           +pob    This  option  indicates  that  the  window should not be raised
                   whenever a Control-G is received.
    
           -rightbar
                   Force scrollbar to the right side of VT100 screen.
    
           -rvc    This option disables the display  of  characters  with  reverse
                   attribute as color.
    
           +rvc    This  option  enables  the  display  of characters with reverse
                   attribute as color.
    
           -rw     This  option  indicates  that  reverse-wraparound   should   be
                   allowed.   This  allows the cursor to back up from the leftmost
                   column of one line to the  rightmost  column  of  the  previous
                   line.  This is very useful for editing long shell command lines
                   and is encouraged.  This option can be turned on and  off  from
                   the "VT Options" menu.
    
           +rw     This  option  indicates  that  reverse-wraparound should not be
                   allowed.
    
           -s      This option indicates that  xterm  may  scroll  asynchronously,
                   meaning  that the screen does not have to be kept completely up
                   to date while scrolling.  This allows xterm to run faster  when
                   network  latencies  are  very high and is typically useful when
                   running across a very large internet or many gateways.
    
           +s      This option indicates that xterm should scroll synchronously.
    
           -samename
                   Does not send title and icon  name  change  requests  when  the
                   request  would  have  no effect: the name is not changed.  This
    
           -selbg color
                   This  option  specifies  the color to use for the background of
                   selected text.  If not specified, reverse video is  used.   See
                   the discussion of the highlightColor resource.
    
           -selfg color
                   This  option  specifies the color to use for selected text.  If
                   not specified, reverse video is used.  See  the  discussion  of
                   the highlightTextColor resource.
    
           -sf     This option indicates that Sun Function Key escape codes should
                   be generated for function keys.
    
           +sf     This option indicates that the standard escape codes should  be
                   generated for function keys.
    
           -si     This  option indicates that output to a window should not auto-
                   matically reposition the screen to the bottom of the  scrolling
                   region.   This  option  can  be  turned on and off from the "VT
                   Options" menu.
    
           +si     This option indicates that output to a window should  cause  it
                   to scroll to the bottom.
    
           -sk     This  option  indicates  that  pressing  a  key while using the
                   scrollbar to review previous lines of  text  should  cause  the
                   window  to be repositioned automatically in the normal position
                   at the bottom of the scroll region.
    
           +sk     This option indicates that  pressing  a  key  while  using  the
                   scrollbar should not cause the window to be repositioned.
    
           -sl number
                   This  option  specifies  the  number of lines to save that have
                   been scrolled off the top of the screen.  This  corresponds  to
                   the saveLines resource.  The default is "64".
    
           -sm     This  option,  corresponding  to the sessionMgt resource, indi-
                   cates that xterm should set up session manager callbacks.
    
           +sm     This option indicates that xterm should not set up session man-
                   ager callbacks.
    
           -sp     This  option  indicates that Sun/PC keyboard should be assumed,
                   providing mapping for keypad "+' to ",', and  CTRL-F1  to  F13,
                   CTRL-F2 to F14, etc.
    
           +sp     This  option indicates that the standard escape codes should be
                   generated for keypad and function keys.
    
           -t      This option indicates that  xterm  should  start  in  Tektronix
           +tb     This option indicates that xterm should not set up a toolbar.
    
           -ti term_id
                   Specify  the  name used by xterm to select the correct response
                   to terminal ID queries.  It also specifies the emulation level,
                   used  to  determine  the  type  of  response  to  a  DA control
                   sequence.  Valid values include vt52, vt100, vt101, vt102,  and
                   vt220  (the  "vt"  is  optional).  The default is "vt100".  The
                   term_id argument specifies the terminal ID to  use.   (This  is
                   the same as the decTerminalID resource).
    
           -tm string
                   This  option  specifies  a  series of terminal setting keywords
                   followed by the characters that should be bound to those  func-
                   tions,  similar  to  the  stty program.  The keywords and their
                   values are described in detail in the ttyModes resource.
    
           -tn name
                   This option specifies the name of the terminal type to  be  set
                   in  the  TERM  environment  variable.   It  corresponds  to the
                   termName resource.   This  terminal  type  must  exist  in  the
                   terminal  database (termcap or terminfo, depending on how xterm
                   is built) and should have li# and co# entries.  If the terminal
                   type  is  not  found,  xterm  uses  the  built-in list "xterm",
                   "vt102", etc.
    
           -u8     This option sets the utf8 resource.  When utf8  is  set,  xterm
                   interprets  incoming  data  as  UTF-8.  This sets the wideChars
                   resource as a side-effect, but  the  UTF-8  mode  set  by  this
                   option  prevents it from being turned off.  If you must turn it
                   on and off, use the wideChars resource.
    
                   This option and the utf8 resource are overridden by the -lc and
                   -en  options  and  locale resource.  That is, if xterm has been
                   compiled to support  luit,  and  the  locale  resource  is  not
                   "false"  this  option  is  ignored.  We recommend using the -lc
                   option or the "locale: true" resource  in  UTF-8  locales  when
                   your  operating  system supports locale, or -en UTF-8 option or
                   the "locale: UTF-8" resource when your  operating  system  does
                   not support locale.
    
           +u8     This option resets the utf8 resource.
    
           -uc     This option makes the cursor underlined instead of a box.
    
           +uc     This option makes the cursor a box instead of underlined.
    
           -ulc    This  option  disables the display of characters with underline
                   attribute as color rather than with underlining.
    
           +ulc    This option enables the display of  characters  with  underline
                   attribute as color rather than with underlining.
    
           -vb     This  option  indicates that a visual bell is preferred over an
                   audible one.  Instead of ringing the terminal bell  whenever  a
                   Control-G is received, the window will be flashed.
    
           +vb     This option indicates that a visual bell should not be used.
    
           -wc     This  option  sets  the  wideChars resource.  When wideChars is
                   set, xterm maintains internal structures for 16-bit characters.
                   If  you  do  not set this resource to "true", xterm will ignore
                   the escape sequence which turns UTF-8 mode  on  and  off.   The
                   default is "false".
    
           +wc     This option resets the wideChars resource.
    
           -wf     This  option indicates that xterm should wait for the window to
                   be mapped the first time before starting the subprocess so that
                   the  initial  terminal  size settings and environment variables
                   are correct.  It is the application's responsibility  to  catch
                   subsequent terminal size changes.
    
           +wf     This  option indicates that xterm should not wait before start-
                   ing the subprocess.
    
           -ziconbeep percent
                   Same as zIconBeep resource.  If  percent  is  non-zero,  xterms
                   that  produce  output while iconified will cause an XBell sound
                   at the given volume and have  "***"  prepended  to  their  icon
                   titles.   Most  window managers will detect this change immedi-
                   ately, showing you which window has  the  output.   (A  similar
                   feature was in x10 xterm.)
    
           -C      This  option  indicates that this window should receive console
                   output.  This is not supported on all systems.  To obtain  con-
                   sole  output,  you must be the owner of the console device, and
                   you must have read and write permission for  it.   If  you  are
                   running  X under xdm on the console screen you may need to have
                   the session startup and reset programs  explicitly  change  the
                   ownership  of the console device in order to get this option to
                   work.
    
           -Sccn   This option allows xterm to be used  as  an  input  and  output
                   channel  for  an existing program and is sometimes used in spe-
                   cialized applications.  The option value specifies the last few
                   letters  of the name of a pseudo-terminal to use in slave mode,
                   plus the number of  the  inherited  file  descriptor.   If  the
                   option  contains  a "/" character, that delimits the characters
                   used for the pseudo-terminal name  from  the  file  descriptor.
                   Otherwise,  exactly two characters are used from the option for
                   the pseudo-terminal name, the remainder is the file descriptor.
                   Examples  (the  first  two  are equivalent since the descriptor
                   follows the last "/"):
    
           %geom   This  option  specifies  the preferred size and position of the
                   Tektronix window.  It is shorthand for specifying the  "*tekGe-
                   ometry" resource.
    
            #geom  This  option  specifies the preferred position of the icon win-
                   dow.   It  is  shorthand  for  specifying  the  "*iconGeometry"
                   resource.
    
           -T string
                   This  option  specifies  the  title for xterm's windows.  It is
                   equivalent to -title.
    
           -n string
                   This option specifies the icon name for xterm's windows.  It is
                   shorthand  for  specifying the "*iconName" resource.  Note that
                   this is not the same as the toolkit option -name  (see  below).
                   The default icon name is the application name.
    
           -r      This option indicates that reverse video should be simulated by
                   swapping the foreground and background colors.  It  is  equiva-
                   lent to -rv.
    
           -w number
                   This  option  specifies  the width in pixels of the border sur-
                   rounding the window.  It is equivalent to -borderwidth or  -bw.
    
           The  following  standard  X Toolkit command line arguments are commonly
           used with xterm:
    
           -bd color
                   This option specifies the color to use for the  border  of  the
                   window.  The corresponding resource name is borderColor.  xterm
                   uses the X Toolkit default, which is "XtDefaultForeground".
    
           -bg color
                   This option specifies the color to use for  the  background  of
                   the  window.   The  corresponding  resource name is background.
                   The default is "XtDefaultBackground."
    
           -bw number
                   This option specifies the width in pixels of  the  border  sur-
                   rounding the window.
    
                   This  appears  to be a legacy of older X releases.  It sets the
                   borderWidth resource of  the  shell  widget,  and  may  provide
                   advice  to your window manager to set the thickness of the win-
                   dow frame.  Most window managers do not use  this  information.
                   See the -b option, which controls the inner border of the xterm
                   window.
    
           -display display
    
           -geometry geometry
                   This option specifies the preferred size and  position  of  the
                   VT102 window; see X(7).
    
           -iconic This  option indicates that xterm should ask the window manager
                   to start it as an icon rather than as the normal  window.   The
                   corresponding resource name is iconic.
    
           -name name
                   This   option   specifies  the  application  name  under  which
                   resources are to be obtained,  rather  than  the  default  exe-
                   cutable  file name.  Name should not contain "." or "*" charac-
                   ters.
    
           -rv     This option indicates that reverse video should be simulated by
                   swapping the foreground and background colors.  The correspond-
                   ing resource name is reverseVideo.
    
           +rv     Disable the simulation of reverse video by swapping  foreground
                   and background colors.
    
           -title string
                   This  option  specifies  the  window title string, which may be
                   displayed by window managers  if  the  user  so  chooses.   The
                   default  title  is  the  command  line  specified  after the -e
                   option, if any, otherwise the application name.
    
           -xrm resourcestring
                   This option specifies a resource string to be  used.   This  is
                   especially  useful for setting resources that do not have sepa-
                   rate command line options.
    
    
    

    RESOURCES

           The program understands all of the core X Toolkit  resource  names  and
           classes.  Application specific resources (e.g., "XTerm.NAME") follow:
    
           backarrowKeyIsErase (class BackarrowKeyIsErase)
                   Tie   the  VTxxx  backarrowKey  and  ptyInitialErase  resources
                   together by setting the DECBKM state according to  whether  the
                   initial  value of stty erase is a backspace (8) or delete (127)
                   character.  The default is "false", which  disables  this  fea-
                   ture.
    
           fullscreen (class Fullscreen)
                   Specifies whether or not xterm should ask the window manager to
                   use a fullscreen layout on startup.   Xterm  accepts  either  a
                   keyword (ignoring case) or the number shown in parentheses:
    
                   false (0)
                      Fullscreen  layout  is  not used initially, but may be later
                      via menu-selection or control sequence.
    
           hold (class Hold)
                   If true, xterm will not immediately destroy its window when the
                   shell command completes.  It will wait until you use the window
                   manager  to  destroy/kill  the  window,  or if you use the menu
                   entries that send a signal, e.g., HUP or KILL.  You may  scroll
                   back,  select text, etc., to perform most graphical operations.
                   Resizing the  display  will  lose  data,  however,  since  this
                   involves interaction with the shell which is no longer running.
    
           hpFunctionKeys (class HpFunctionKeys)
                   Specifies whether or not HP Function Key escape codes should be
                   generated   for   function  keys  instead  of  standard  escape
                   sequences.
    
                   See also the keyboardType resource.
    
           iconGeometry (class IconGeometry)
                   Specifies the preferred size and position  of  the  application
                   when  iconified.   It  is  not necessarily obeyed by all window
                   managers.
    
           iconName (class IconName)
                   Specifies the icon name.  The default is the application  name,
                   e.g., "xterm".
    
           keyboardType (class KeyboardType)
                   Enables  one  (or none) of the various keyboard-type resources:
                   hpFunctionKeys, scoFunctionKeys, sunFunctionKeys, tcapFunction-
                   Keys  and  sunKeyboard.   The resource's value should be one of
                   the  corresponding  strings  "hp",  "sco",  "sun",  "tcap"   or
                   "vt220".  The individual resources are provided for legacy sup-
                   port; this resource is simpler to use.
    
                   The  default  is  "unknown.",  i.e.,  none  of  the  associated
                   resources are set via this resource.
    
           maxBufSize (class MaxBufSize)
                   Specify  the  maximum size of the input buffer.  The default is
                   "32768".  You cannot set this to a value less than the  minBuf-
                   Size  resource.   It  will  be increased as needed to make that
                   value evenly divide this one.
    
                   On some systems you may want to increase one  or  both  of  the
                   maxBufSize  and  minBufSize  resource  values to achieve better
                   performance if  the  operating  system  prefers  larger  buffer
                   sizes.
    
           maximized (class Maximized)
                   Specifies whether or not xterm should ask the window manager to
                   maximize its layout on startup.  The default is "false."
    
    
           minBufSize (class MinBufSize)
                   Specify  the minimum size of the input buffer, i.e., the amount
                   of data that xterm requests  on  each  read.   The  default  is
                   "4096".  You cannot set this to a value less than 64.
    
           omitTranslation (class OmitTranslation)
                   Selectively  omit one or more parts of xterm's default transla-
                   tions at startup.  The resource value is a comma-separated list
                   of  keywords,  which may be abbreviated: "fullscreen", "scroll-
                   lock", "shift-fonts" or "wheel-mouse".  Xterm  also  recognizes
                   "default",  but  omitting  that  will make the program unusable
                   unless you provide a similar definition in your  resource  set-
                   tings.
    
           ptyHandshake (class PtyHandshake)
                   If "true", xterm will perform handshaking during initialization
                   to ensure that the parent and child processes update  the  utmp
                   and stty state.
    
                   See  also  waitForMap  which  waits  for  the pseudo-terminal's
                   notion of the screen size, and  ptySttySize  which  resets  the
                   screen  size  after  other terminal initialization is complete.
                   The default is "true".
    
           ptyInitialErase (class PtyInitialErase)
                   If "true", xterm will use the pseudo-terminal's  sense  of  the
                   stty  erase  value.   If "false", xterm will set the stty erase
                   value to match its own configuration, using the kb string  from
                   the  termcap  entry  as  a  reference, if available.  In either
                   case, the result is applied to the TERMCAP variable which xterm
                   sets.
    
                   See  also  the  ttyModes  resource, which may modify this.  The
                   default is "false".
    
           ptySttySize (class PtySttySize)
                   If "true", xterm will reset the screen size after terminal ini-
                   tialization is complete.  This is needed for some systems whose
                   pseudo-terminals  cannot  propagate  terminal  characteristics.
                   Where it is not needed, it can interfere with other methods for
                   setting the intial screen size, e.g., via window manager inter-
                   action.
    
                   See  also waitForMap which waits for a handshake-message giving
                   the pseudo-terminal's notion of the screen size.   The  default
                   is "false" on Linux and OS X systems, "true" otherwise.
    
           sameName (class SameName)
                   If  the  value  of this resource is "true", xterm does not send
                   title and icon name change requests when the request would have
                   no  effect: the name is not changed.  This has the advantage of
                   manager callbacks for XtNdieCallback and XtNsaveCallback.   The
                   default is "true".
    
           sunFunctionKeys (class SunFunctionKeys)
                   Specifies  whether  or not Sun Function Key escape codes should
                   be generated for  function  keys  instead  of  standard  escape
                   sequences.
    
                   See also the keyboardType resource.
    
           sunKeyboard (class SunKeyboard)
                   Specifies  whether  or  not  Sun/PC  keyboard  layout should be
                   assumed rather than DEC VT220.  This causes the keypad  "+'  to
                   be mapped to ",'.  and CTRL F1-F12 to F11-F20, depending on the
                   setting of the ctrlFKeys resource.  so  xterm  emulates  a  DEC
                   VT220  more  accurately.   Otherwise (the default, with sunKey-
                   board set to "false"), xterm uses  PC-style  bindings  for  the
                   function keys and keypad.
    
                   PC-style  bindings use the Shift, Alt, Control and Meta keys as
                   modifiers for function-keys and keypad (see the document  Xterm
                   Control  Sequences  for  details).   The  PC-style bindings are
                   analogous to PCTerm, but not the same  thing.   Normally  these
                   bindings  do  not  conflict  with  the  use  of the Meta key as
                   described for the eightBitInput resource.   If  they  do,  note
                   that the PC-style bindings are evaluated first.
    
                   See also the keyboardType resource.
    
           tcapFunctionKeys (class TcapFunctionKeys)
                   Specifies  whether  or  not function key escape codes read from
                   the termcap/terminfo entry should  be  generated  for  function
                   keys  instead  of  standard  escape  sequences.  The default is
                   "false.", i.e., this feature is disabled.
    
                   See also the keyboardType resource.
    
           termName (class TermName)
                   Specifies the terminal type name to be set in the TERM environ-
                   ment variable.
    
           title (class Title)
                   Specifies  a string that may be used by the window manager when
                   displaying this application.
    
           toolBar (class ToolBar)
                   Specifies whether or not the toolbar should be displayed.   The
                   default is "true."
    
           ttyModes (class TtyModes)
                   Specifies a string containing terminal setting keywords and the
                   characters to which they  may  be  bound.   Allowable  keywords
                   initializes the terminal to match that value.
    
           useInsertMode (class UseInsertMode)
                   Force  use  of insert mode by adding appropriate entries to the
                   TERMCAP environment variable.  This is  useful  if  the  system
                   termcap is broken.  The default is "false."
    
           utmpDisplayId (class UtmpDisplayId)
                   Specifies whether or not xterm should try to record the display
                   identifier (display number and screen number) as  well  as  the
                   hostname in the system utmp log file.  The default is "true."
    
           utmpInhibit (class UtmpInhibit)
                   Specifies  whether or not xterm should try to record the user's
                   terminal in the system utmp log file.  If true, xterm will  not
                   try.  The default is "false."
    
           waitForMap (class WaitForMap)
                   Specifies whether or not xterm should wait for the initial win-
                   dow map before starting the subprocess.  This is  part  of  the
                   ptyHandshake  logic.   When  xterm  is directed to wait in this
                   fashion, it passes the terminal size from the  display  end  of
                   the  pseudo-terminal  to  the  terminal  I/O  connection, e.g.,
                   according to the window manager.  Otherwise, it uses  the  size
                   as  given in resource values or command-line option -geom.  The
                   default is "false."
    
           zIconBeep (class ZIconBeep)
                   Same as -ziconbeep command line argument.  If the value of this
                   resource  is  non-zero, xterms that produce output while iconi-
                   fied will cause an XBell sound at the  given  volume  and  have
                   "***"  prepended  to  their  icon titles.  Most window managers
                   will detect this change immediately, showing you  which  window
                   has  the  output.   (A  similar feature was in x10 xterm.)  The
                   default is "false."
    
       VT100 Widget Resources
           The following resources are specified  as  part  of  the  vt100  widget
           (class    VT100).    They   are   specified   by   patterns   such   as
           "XTerm.vt100.NAME".
    
           If your xterm is configured to support the "toolbar", then  those  pat-
           terns  need  an extra level for the form-widget which holds the toolbar
           and vt100 widget.  A wildcard between the  top-level  "XTerm"  and  the
           "vt100"  widget  makes  the  resource  settings  work for either, e.g.,
           "XTerm*vt100.NAME".
    
           activeIcon (class ActiveIcon)
                   Specifies whether or not active icon windows  are  to  be  used
                   when the xterm window is iconified, if this feature is compiled
                   into xterm.  The active icon is a miniature  representation  of
                   the  content  of  the  window  and  will  update as the content
                   insist it is a VT100.  The default is "false."
    
           allowColorOps (class AllowColorOps)
                   Specifies whether control sequences that set/query the  dynamic
                   colors  should  be allowed.  ANSI colors are unaffected by this
                   resource setting.  The default is "true."
    
           allowFontOps (class AllowFontOps)
                   Specifies whether control sequences  that  set/query  the  font
                   should be allowed.  The default is "false."
    
           allowScrollLock (class AllowScrollLock)
                   Specifies  whether  control sequences that set/query the Scroll
                   Lock key should be allowed, as well as whether the Scroll  Lock
                   key responds to user's keypress.  The default is "false."
    
                   When this feature is enabled, xterm will sense the state of the
                   Scroll Lock key each time  it  acquires  focus.   Pressing  the
                   Scroll Lock key toggles xterm's internal state, as well as tog-
                   gling the associated LED.  While the  Scroll  Lock  is  active,
                   xterm attempts to keep a viewport on the same set of lines.  If
                   the current viewport is scrolled past  the  limit  set  by  the
                   saveLines resource, then Scroll Lock has no further effect.
    
                   The reason for setting the default to "false." is to avoid user
                   surprise.  This key is generally unused in keyboard  configura-
                   tions,  and has not acquired a standard meaning even when it is
                   used in that manner.  Consequently, users have assigned it  for
                   ad hoc purposes.
    
           allowSendEvents (class AllowSendEvents)
                   Specifies  whether or not synthetic key and button events (gen-
                   erated using the X protocol SendEvent request) should be inter-
                   preted  or  discarded.  The default is "false" meaning they are
                   discarded.  Note that allowing such events would create a  very
                   large  security  hole,  therefore enabling this resource force-
                   fully disables  the  allowXXXOps  resources.   The  default  is
                   "false."
    
           allowTcapOps (class AllowTcapOps)
                   Specifies  whether  control sequences that query the terminal's
                   notion of its function-key  strings,  as  termcap  or  terminfo
                   capabilities should be allowed.  The default is "false."
    
                   A  few programs, e.g., vim, use this feature to get an accurate
                   description of the terminal's capabilities, independent of  the
                   termcap/terminfo setting:
    
                   -  xterm  can tell the querying program how many colors it sup-
                      ports.  This is a constant, depending on how it is compiled,
                      typically 16.  It does not change if you alter resource set-
                      tings, e.g., the boldColors resource.
    
                   as  reporting these values and the title or icon name.  Each of
                   these can be abused in a script; curiously enough most terminal
                   emulators  that  implement  these restrict only a small part of
                   the repertoire.  For fine-tuning, see disallowedWindowOps.  The
                   default is "false."
    
           altIsNotMeta (class AltIsNotMeta)
                   If  "true", treat the Alt-key as if it were the Meta-key.  Your
                   keyboard may happen to be configured so they are the same.  But
                   if  they  are  not, this allows you to use the same prefix- and
                   shifting operations with the Alt-key as with the Meta-key.  See
                   altSendsEscape and metaSendsEscape.  The default is "false."
    
           altSendsEscape (class AltSendsEscape)
                   This  is an additional keyboard operation that may be processed
                   after the logic for metaSendsEscape.  It is only  available  if
                   the altIsNotMeta resource is set.
    
                   If  "true", Alt characters (a character combined with the modi-
                   fier associated with left/right Alt-keys) are converted into  a
                   two-character  sequence  with  the character itself preceded by
                   ESC.  This applies as well to function key  control  sequences,
                   unless  xterm  sees  that Alt is used in your key translations.
                   If "false", Alt characters input  from  the  keyboard  cause  a
                   shift to 8-bit characters (just like metaSendsEscape).  By com-
                   bining the Alt- and Meta-modifiers, you can create  correspond-
                   ing  combinations  of  ESC-prefix  and  8-bit  characters.  The
                   default is "false."
    
           alwaysBoldMode (class AlwaysBoldMode)
                   Specifies whether xterm should check if  the  normal  and  bold
                   fonts  are distinct before deciding whether to use overstriking
                   to simulate bold fonts.  If this resource is true,  xterm  does
                   not make the check for distinct fonts when deciding how to han-
                   dle the boldMode resource.  The default is "false."
    
                   boldMode   alwaysBoldMode   Comparison   Action
                   ----------------------------------------------------
                   false      false            ignored      use font
                   false      true             ignored      use font
                   true       false            same         overstrike
                   true       false            different    use font
                   true       true             ignored      overstrike
    
                   As an alternative, setting the allowBoldFonts resource to false
                   overrides both the alwaysBoldMode and the boldMode resources.
    
           alwaysHighlight (class AlwaysHighlight)
                   Specifies  whether  or  not xterm should always display a high-
                   lighted text cursor.  By default (if this resource is false), a
                   hollow  text cursor is displayed whenever the pointer moves out
                   of the window or the window loses the input focus.  The default
                   string,  i.e., "".  A hardware VT100 implements this feature as
                   a setup option.
    
           appcursorDefault (class AppcursorDefault)
                   If "true," the cursor keys are initially in  application  mode.
                   This  is the same as the VT102 private DECCKM mode, The default
                   is "false."
    
           appkeypadDefault (class AppkeypadDefault)
                   If "true," the keypad keys are initially in  application  mode.
                   The default is "false."
    
           autoWrap (class AutoWrap)
                   Specifies  whether  or  not  auto-wraparound should be enabled.
                   This is the same as the VT102 DECAWM.  The default is "true."
    
           awaitInput (class AwaitInput)
                   Specifies whether or not the xterm uses a 50 millisecond  time-
                   out  to  await  input (i.e., to support the Xaw3d arrow scroll-
                   bar).  The default is "false."
    
           backarrowKey (class BackarrowKey)
                   Specifies whether the backarrow key transmits a  backspace  (8)
                   or delete (127) character.  This corresponds to the DECBKM con-
                   trol sequence.  The default (backspace)  is  "true."   Pressing
                   the control key toggles this behavior.
    
           background (class Background)
                   Specifies  the  color  to use for the background of the window.
                   The default is "XtDefaultBackground."
    
           bellIsUrgent (class BellIsUrgent)
                   Specifies whether to set the Urgency hint for the  window  man-
                   ager when making a bell sound.  The default is "false."
    
           bellOnReset (class BellOnReset)
                   Specifies whether to sound a bell when doing a hard reset.  The
                   default is "true."
    
           bellSuppressTime (class BellSuppressTime)
                   Number of milliseconds after a  bell  command  is  sent  during
                   which additional bells will be suppressed.  Default is 200.  If
                   set non-zero, additional bells will also  be  suppressed  until
                   the  server  reports that processing of the first bell has been
                   completed; this feature is most useful with the visible bell.
    
           boldColors (class ColorMode)
                   Specifies whether to combine bold attribute  with  colors  like
                   the  IBM  PC,  i.e., map colors 0 through 7 to colors 8 through
                   15.  These normally are the brighter versions of  the  first  8
                   colors, hence bold.  The default is "true."
    
                   should  be  overstruck  to  simulate bold fonts if the resolved
                   bold font is the same as the normal font.  It may be  desirable
                   to  disable  bold  fonts  when color is being used for the bold
                   attribute.
    
                   Note that xterm has one bold font which you may set explicitly.
                   Xterm  attempts to derive a bold font for the other font selec-
                   tions (font1 through font6).  If it cannot find a bold font, it
                   will  use  the normal font.  In each case (whether the explicit
                   resource or the derived font), if the normal and bold fonts are
                   distinct,  this resource has no effect.  The default is "true."
    
                   See the alwaysBoldMode resource which can modify  the  behavior
                   of this resource.
    
                   Although  xterm  attempts  to derive a bold font for other font
                   selections, the font server may not  cooperate.   Since  X11R6,
                   bitmap  fonts have been scaled.  The font server claims to pro-
                   vide the bold font that xterm requests, but the result  is  not
                   always  readable.  XFree86 provides a feature which can be used
                   to suppress the scaling.  In the X server's configuration  file
                   (e.g.,  "/etc/X11/XFree86"), you can add ":unscaled" to the end
                   of the directory specification  for  the  "misc"  fonts,  which
                   comprise  the  fixed-pitch  fonts  that are used by xterm.  For
                   example
                           FontPath         "/usr/lib/X11/fonts/misc/"
    
                   would become
                           FontPath         "/usr/lib/X11/fonts/misc/:unscaled"
    
                   Depending on your configuration, the font server may  have  its
                   own  configuration  file.  The same ":unscaled" can be added to
                   its configuration file at the end of the  directory  specifica-
                   tion for "misc".
    
                   The  bitmap  scaling feature is also used by xterm to implement
                   VT102 double-width and double-height characters.
    
           brokenLinuxOSC (class BrokenLinuxOSC)
                   If true, xterm applies a workaround to ignore malformed control
                   sequences  that a Linux script might send.  Compare the palette
                   control sequences documented  in  console_codes  with  ECMA-48.
                   The default is "true."
    
           brokenSelections (class BrokenSelections)
                   If  true,  xterm in 8-bit mode will interpret STRING selections
                   as carrying text in the current  locale's  encoding.   Normally
                   STRING  selections carry ISO-8859-1 encoded text.  Setting this
                   resource to "true" violates the ICCCM; it may, however, be use-
                   ful for interacting with some broken X clients.  The default is
                   "false."
    
    
                   Each should end with a string-terminator (a  special  character
                   which  cannot appear in these strings).  Ordinary control char-
                   acters found within the string are not ignored; they  are  pro-
                   cessed without interfering with the process of accumulating the
                   control string's content.  Xterm recognizes these  controls  in
                   all  modes,  although  some  of the functions may be suppressed
                   after parsing the control.
    
                   When enabled, this feature allows the  user  to  exit  from  an
                   unterminated  control string when any of these ordinary control
                   characters are found:
    
                   control/D (used as an end of file in many shells),
                   control/H (backspace),
                   control/I (tab-feed),
                   control/J (line feed aka newline),
                   control/K (vertical tab),
                   control/L (form feed),
                   control/M (carriage return),
                   control/N (shift-out),
                   control/O (shift-in),
                   control/Q (XOFF),
                   control/X (cancel)
    
           c132 (class C132)
                   Specifies whether or not the  VT102  DECCOLM  escape  sequence,
                   used  to  switch between 80 and 132 columns, should be honored.
                   The default is "false."
    
           cacheDoublesize (class CacheDoublesize)
                   Tells whether to cache double-sized fonts by xterm.   Set  this
                   to zero to disable double-sized fonts altogether.
    
           charClass (class CharClass)
                   Specifies  comma-separated lists of character class bindings of
                   the form [low-]high:value.  These are used in determining which
                   sets  of  characters  should be treated the same when doing cut
                   and paste.  See the CHARACTER CLASSES section.
    
           cjkWidth (class CjkWidth)
                   Specifies whether xterm  should  follow  the  traditional  East
                   Asian  width  convention.  When turned on, characters with East
                   Asian Ambiguous (A) category in UTR 11 have a column  width  of
                   2.   You may have to set this option to "true" if you have some
                   old East Asian terminal based programs that assume  that  line-
                   drawing  characters have a column width of 2.  If this resource
                   is false, the mkWidth resource controls the choice between  the
                   system's  wcwidth  and xterm's built-in tables.  The default is
                   "false."
    
           color0 (class Color0)
                   These specify the  colors  for  the  ISO-6429  extension.   The
                   defaults  are,  respectively,  black,  red3, green3, yellow3, a
                   customizable dark  blue,  magenta3,  cyan3,  and  gray90.   The
                   default  shades of color are chosen to allow the colors 8-15 to
                   be used as brighter versions.
    
           color8 (class Color8)
    
           color9 (class Color9)
    
           color10 (class Color10)
    
           color11 (class Color11)
    
           color12 (class Color12)
    
           color13 (class Color13)
    
           color14 (class Color14)
    
           color15 (class Color15)
                   These specify the colors for the ISO-6429 extension if the bold
                   attribute  is  also  enabled.   The default resource values are
                   respectively, gray30, red, green, yellow, a customizable  light
                   blue, magenta, cyan, and white.
    
           color16 (class Color16)
    
           through
    
           color255 (class Color255)
                   These  specify  the  colors  for  the 256-color extension.  The
                   default resource values are for colors 16 through 231 to make a
                   6x6x6  color  cube,  and  colors  232  through  255  to  make a
                   grayscale ramp.
    
                   Resources past color15 are available as a compile-time  option.
                   Due to a hardcoded limit in the X libraries on the total number
                   of resources (to 400), the resources for 256-colors are omitted
                   when  wide-character  support  and  luit  are enabled.  Besides
                   inconsistent behavior  if  only  part  of  the  resources  were
                   allowed,  determining  the exact cutoff is difficult, and the X
                   libraries tend to crash if the number of resources exceeds  the
                   limit.   The  color  palette  is  still initialized to the same
                   default values, and can be modified via control sequences.
    
                   On the other hand, the resource limit does permit including the
                   entire range for 88-colors.
    
           colorAttrMode (class ColorAttrMode)
                   Specifies whether colorBD, colorBL, colorRV, and colorUL should
                   override ANSI colors.  If not, these are displayed only when no
    
           colorBL (class ColorBL)
                   This  specifies the color to use to display blink characters if
                   the "colorBLMode" resource is enabled.  The default  is  "XtDe-
                   faultForeground."
    
           colorBLMode (class ColorAttrMode)
                   Specifies whether characters with the blink attribute should be
                   displayed in color.  Note that setting colorMode  off  disables
                   all colors, including this.  The default is "false."
    
           colorMode (class ColorMode)
                   Specifies  whether  or not recognition of ANSI (ISO-6429) color
                   change escape sequences should  be  enabled.   The  default  is
                   "true."
    
           colorRV (class ColorRV)
                   This  specifies  the color to use to display reverse characters
                   if the "colorRVMode"  resource  is  enabled.   The  default  is
                   "XtDefaultForeground."
    
           colorRVMode (class ColorAttrMode)
                   Specifies  whether characters with the reverse attribute should
                   be displayed in color.  Note that setting  colorMode  off  dis-
                   ables all colors, including this.  The default is "false."
    
           colorUL (class ColorUL)
                   This  specifies  the color to use to display underlined charac-
                   ters if the "colorULMode" resource is enabled.  The default  is
                   "XtDefaultForeground."
    
           colorULMode (class ColorAttrMode)
                   Specifies  whether  characters  with  the  underline  attribute
                   should be displayed in color or as underlined characters.  Note
                   that  setting  colorMode  off  disables  all  colors, including
                   underlining.  The default is "false."
    
           combiningChars (class CombiningChars)
                   Specifies the number of wide-characters which can be stored  in
                   a  cell  to overstrike (combine) with the base character of the
                   cell.  This can be set to values in the  range  0  to  4.   The
                   default is "2".
    
           ctrlFKeys (class CtrlFKeys)
                   In  VT220  keyboard  mode (see sunKeyboard resource), specifies
                   the amount by which to shift F1-F12 given  a  control  modifier
                   (CTRL).  This allows you to generate key symbols for F10-F20 on
                   a Sun/PC keyboard.  The default is "10", which means that  CTRL
                   F1 generates the key symbol for F11.
    
           curses (class Curses)
                   Specifies  whether or not the last column bug in more(1) should
                   be worked around.  See the -cu option for details.  The default
                   Setting  this resource overrides most of xterm's adjustments to
                   cursor color.  It will still use reverse-video to disallow some
                   cases, such as a black cursor on a black background.
    
           cursorOffTime (class CursorOffTime)
                   Specifies  the  duration  of the "off" part of the cursor blink
                   cycle-time in milliseconds.  The same timer is  used  for  text
                   blinking.  The default is "300".
    
           cursorOnTime (class CursorOnTime)
                   Specifies  the  duration  of  the "on" part of the cursor blink
                   cycle-time, in milliseconds.  The same timer is used  for  text
                   blinking.  The default is "600".
    
           cutNewline (class CutNewline)
                   If  "false",  triple clicking to select a line does not include
                   the Newline at the end of the line.  If "true", the Newline  is
                   selected.  The default is "true."
    
           cursorUnderLine (class CursorUnderLine)
                   Specifies  whether to make the cursor underlined or a box.  The
                   default is "false."
    
           cutToBeginningOfLine (class CutToBeginningOfLine)
                   If "false", triple clicking to select a line selects only  from
                   the  current  word  forward.   If  "true",  the  entire line is
                   selected.  The default is "true."
    
           decTerminalID (class DecTerminalID)
                   Specifies the emulation  level  (100=VT100,  220=VT220,  etc.),
                   used  to  determine  the  type  of  response  to  a  DA control
                   sequence.  Leading  non-digit  characters  are  ignored,  e.g.,
                   "vt100" and "100" are the same.  The default is "100".
    
           defaultString (class DefaultString)
                   Specify  the  character (or string) which xterm will substitute
                   when pasted text includes a character which  cannot  be  repre-
                   sented  in  the  current encoding.  For instance, pasting UTF-8
                   text into a display of ISO-8859-1 characters will only be  able
                   to  display  codes  0-255, while UTF-8 text can include Unicode
                   values above 255.  The default is "#" (a single pound sign).
    
                   If the undisplayable text would be double-width, xterm will add
                   a  space after the "#" character, to give roughly the same lay-
                   out on the screen as the original text.
    
           deleteIsDEL (class DeleteIsDEL)
                   Specifies whether the Delete key on the editing  keypad  should
                   send  DEL (127) or the VT220-style Remove escape sequence.  The
                   default is "false," for the latter.
    
           disallowedColorOps (class DisallowedColorOps)
                   GetAnsiColor
                        Report the current setting of a given ANSI color (actually
                        any of the colors set via ANSI-style controls).
    
           disallowedFontOps (class DisallowedFontOps)
                   Specify which features will  be  disabled  if  allowFontOps  is
                   false.   This  is a comma-separated list of names.  The default
                   value is
                   SetFont,GetFont
    
                   The names are listed below.  xterm ignores capitalization,  but
                   they are shown in mixed-case for clarity.
    
                   SetFont
                        Set the specified font.
    
                   GetFont
                        Report the specified font.
    
           disallowedTcapOps (class DisallowedTcapOps)
                   Specify  which  features  will  be  disabled if allowTcapOps is
                   false.  This is a comma-separated list of names.   The  default
                   value is
                   SetTcap,GetTcap
    
                   The  names are listed below.  xterm ignores capitalization, but
                   they are shown in mixed-case for clarity.
    
                   SetTcap
                        (not implemented)
    
                   GetTcap
                        Report specified function- and other special keys.
    
           disallowedWindowOps (class DisallowedWindowOps)
                   Specify which features will be disabled  if  allowWindowOps  is
                   false.   This  is  a comma-separated list of names, or (for the
                   controls  adapted  from  dtterm  the  operation  number).   The
                   default value is
                   1,2,3,4,5,6,7,8,9,11,13,14,18,19,20,21,GetSelection,SetSelec-
                   tion,SetWinLines,SetXprop
           (i.e. no operations are allowed).
    
                   The names are listed below.  xterm ignores capitalization,  but
                   they  are  shown in mixed-case for clarity.  Where a number can
                   be used as an alternative, it is given in parentheses after the
                   name.
    
                   GetIconTitle (20)
                        Report xterm window's icon label as a string.
    
                   GetScreenSizeChars (19)
                   GetWinState (11)
                        Report xterm window state as a number.
    
                   GetWinTitle (21)
                        Report xterm window's title as a string.
    
                   LowerWin (6)
                        Lower the xterm window  to  the  bottom  of  the  stacking
                        order.
    
                   MaximizeWin (9)
                        Maximize window (i.e., resize to screen size).
    
                   FullscreenWin (10)
                        Use full screen (i.e., resize to screen size, without win-
                        dow decorations).
    
                   MinimizeWin (2)
                        Iconify window.
    
                   PopTitle (23)
                        Pop title from internal stack.
    
                   PushTitle (22)
                        Push title to internal stack.
    
                   RaiseWin (5)
                        Raise the xterm window to the front of the stacking order.
    
                   RefreshWin (7)
                        Refresh the xterm window.
    
                   RestoreWin (1)
                        De-iconify window.
    
                   SetSelection
                        Set selection data.
    
                   SetWinLines
                        Resize to a given number of lines, at least 24.
    
                   SetWinPosition (3)
                        Move window to given coordinates.
    
                   SetWinSizeChars (8)
                        Resize the text area to given size in characters.
    
                   SetWinSizePixels (4)
                        Resize the xterm window to given size in pixels.
    
                   SetXprop
                        Set X property on top-level window.
    
                   The  terminal is put into 8-bit mode.  If "false", Meta charac-
                   ters are converted into a two-character sequence with the char-
                   acter  itself  preceded by ESC.  On startup, xterm tries to put
                   the terminal into 7-bit mode.  The metaSendsEscape and altSend-
                   sEscape resources may override this.  The default is "true."
    
                   Generally keyboards do not have a key labeled "Meta", but "Alt"
                   keys are common, and they are conventionally used  for  "Meta".
                   If  they were synonymous, it would have been reasonable to name
                   this resource "altSendsEscape", reversing its sense.  For  more
                   background on this, see the meta function in curses.
    
                   Note  that  the Alt key is not necessarily the same as the Meta
                   modifier.  xmodmap lists your key modifiers.  X  defines  modi-
                   fiers  for  shift,  (caps) lock and control, as well as 5 addi-
                   tional modifiers which are generally used to configure key mod-
                   ifiers.   xterm inspects the same information to find the modi-
                   fier associated with either Meta key (left or right), and  uses
                   that  key  as the Meta modifier.  It also looks for the NumLock
                   key, to recognize the modifier which is associated with that.
    
                   If your xmodmap configuration uses the same keycodes  for  Alt-
                   and  Meta-keys,  xterm  will  only see the Alt-key definitions,
                   since those are tested before  Meta-keys.   NumLock  is  tested
                   first.   It is important to keep these keys distinct; otherwise
                   some of xterm's functionality is not available.
    
           eightBitOutput (class EightBitOutput)
                   Specifies whether or not eight-bit  characters  sent  from  the
                   host  should  be  accepted as is or stripped when printed.  The
                   default is "true," which means that they are accepted as is.
    
           eightBitSelectTypes (class EightBitSelectTypes)
                   Override   xterm's   default   selection   target   list   (see
                   SELECT/PASTE)  for selections in normal (ISO-8859-1) mode.  The
                   default is an empty string, i.e., "", which does  not  override
                   anything.
    
           faceName (class FaceName)
                   Specify  the  pattern  for  scalable  fonts  selected  from the
                   FreeType library if support for that library was compiled  into
                   xterm.  There is no default value.
    
                   If  not  specified, or if there is no match for both normal and
                   bold fonts, xterm uses the bitmap font and related resources.
    
                   It is possible to select suitable bitmap fonts using  a  script
                   such as this:
    
                       #!/bin/sh
                       FONT='xfontsel -print'
                       test -n "$FONT" && xfd -fn "$FONT"
    
                   If  the  application  uses  double-wide  characters  and   this
                   resource  is  not given, xterm will use a scaled version of the
                   font given by faceName.
    
           faceSize (class FaceSize)
                   Specify the pointsize for  fonts  selected  from  the  FreeType
                   library  if  support  for that library was compiled into xterm.
                   The default is "14.0" On the VT Fonts menu, this corresponds to
                   the Default entry.
    
                   Although the default is "14.0", this may not be the same as the
                   pointsize for the default bitmap font, i.e., that assigned with
                   the -fn option, or the font resource.  For example, the "fixed"
                   font usually has a pointsize of "8.0".  If you set faceSize  to
                   match  the  size  of  the  bitmap  font, then switching between
                   bitmap and TrueType fonts via the font menu will give  compara-
                   ble sizes for the window.
    
                   You  can specify the pointsize for TrueType fonts selected with
                   the other size-related menu entries such as Medium, Huge, etc.,
                   by  using  one of the following resource values.  If you do not
                   specify a value, they default to "0.0", which causes  xterm  to
                   use  the ratio of font sizes from the corresponding bitmap font
                   resources to obtain a TrueType pointsize.
    
                   If all of the faceSize resources are set, then xterm  will  use
                   this  information to determine the next smaller/larger TrueType
                   font for the larger-vt-font()  and  smaller-vt-font()  actions.
                   If any are not set, xterm will use only the areas of the bitmap
                   fonts.
    
           faceSize1 (class FaceSize1)
                   Specifies the pointsize of the first alternative font.
    
           faceSize2 (class FaceSize2)
                   Specifies the pointsize of the second alternative font.
    
           faceSize3 (class FaceSize3)
                   Specifies the pointsize of the third alternative font.
    
           faceSize4 (class FaceSize4)
                   Specifies the pointsize of the fourth alternative font.
    
           faceSize5 (class FaceSize5)
                   Specifies the pointsize of the fifth alternative font.
    
           faceSize6 (class FaceSize6)
                   Specifies the pointsize of the sixth alternative font.
    
           font (class Font)
                   Specifies the name of the normal font.  The default is "fixed."
    
           fastScroll (class FastScroll)
                   Modifies the effect of jump scroll (jumpScroll) by  suppressing
                   screen refreshes for the special case when output to the screen
                   has completely shifted the contents off-screen.  For  instance,
                   cat'ing a large file to the screen does this.
    
           font1 (class Font1)
                   Specifies the name of the first alternative font.
    
           font2 (class Font2)
                   Specifies the name of the second alternative font.
    
           font3 (class Font3)
                   Specifies the name of the third alternative font.
    
           font4 (class Font4)
                   Specifies the name of the fourth alternative font.
    
           font5 (class Font5)
                   Specifies the name of the fifth alternative font.
    
           font6 (class Font6)
                   Specifies the name of the sixth alternative font.
    
           fontDoublesize (class FontDoublesize)
                   Specifies  whether  xterm should attempt to use font scaling to
                   draw double-sized characters.  Some older font  servers  cannot
                   do  this  properly,  will  return misleading font metrics.  The
                   default is "true".  If disabled, xterm  will  simulate  double-
                   sized  characters  by  drawing  normal  characters  with spaces
                   between them.
    
           fontWarnings (class FontWarnings)
                   Specify whether xterm should report an error  if  it  fails  to
                   load a font:
    
                   0    Never report an error (though the X libraries may).
    
                   1    Report  an  error if the font name was given as a resource
                        setting.
    
                   2    Always report an error on failure to load a font.
    
                   The default is "1".
    
           forceBoxChars (class ForceBoxChars)
                   Specifies whether xterm should assume the normal and bold fonts
                   have VT100 line-drawing characters:
    
                   -    The  fixed-pitch  ISO-8859-*-encoded  fonts  used by xterm
                        normally have the VT100 line-drawing glyphs in cells 1-31.
    
                   width when displaying using a bitmap  font.   Use  the  maximum
                   width  to help with proportional fonts.  The default is "true,"
                   denoting the minimum width.
    
           foreground (class Foreground)
                   Specifies the color to use for displaying text in  the  window.
                   Setting  the class name instead of the instance name is an easy
                   way to have everything that would normally appear in  the  text
                   color change color.  The default is "XtDefaultForeground."
    
           formatOtherKeys (class FormatOtherKeys)
                   Overrides the format of the escape sequence used to report mod-
                   ified keys with the modifyOtherKeys resource.
    
                   0  send  modified  keys  as  parameters  for  function-key   27
                      (default).
    
                   1  send modified keys as parameters for CSI u.
    
           freeBoldBox (class FreeBoldBox)
                   Specifies  whether  xterm  should assume the bounding boxes for
                   normal and bold fonts are compatible.  If "false",  xterm  com-
                   pares  them  and  will reject choices of bold fonts that do not
                   match the size of the normal font.   The  default  is  "false",
                   which means that the comparison is performed.
    
           geometry (class Geometry)
                   Specifies  the preferred size and position of the VT102 window.
                   There is no default for this resource.
    
           highlightColor (class HighlightColor)
                   Specifies the color to  use  for  the  background  of  selected
                   (highlighted)  text.   If  not  specified  (i.e.,  matching the
                   default foreground), reverse video is  used.   The  default  is
                   "XtDefaultForeground."
    
           highlightColorMode (class HighlightColorMode)
                   Specifies whether xterm should use highlightTextColor and high-
                   lightColor to override the reversed foreground/background  col-
                   ors  in  a  selection.  The default is unspecified: at startup,
                   xterm checks if those resources are set to something other than
                   the  default  foreground  and  background colors.  Setting this
                   resource disables the check.
    
                   The following table shows the interaction of  the  highlighting
                   resources, abbreviated as shown to fit in this page:
    
                   HCM
                      highlightColorMode
    
                   HR highlightReverse
    
                   false     true    default   default   bg/fg
                   false     true    default   set       bg/fg
                   false     true    set       default   fg/HBG
                   false     true    set       set       fg/HBG
                   ------------------------------------------------------
                   true      false   default   default   bg/fg
                   true      false   default   set       HFG/fg
                   true      false   set       default   bg/HBG
                   true      false   set       set       HFG/HBG
                   ------------------------------------------------------
                   true      true    default   default   fg/fg (useless)
                   true      true    default   set       HFG/fg
                   true      true    set       default   fg/HBG
                   true      true    set       set       HFG/HBG
                   ------------------------------------------------------
                   default   false   default   default   bg/fg
                   default   false   default   set       bg/fg
                   default   false   set       default   fg/HBG
                   default   false   set       set       HFG/HBG
                   ------------------------------------------------------
                   default   true    default   default   bg/fg
                   default   true    default   set       bg/fg
                   default   true    set       default   fg/HBG
                   default   true    set       set       HFG/HBG
                   ------------------------------------------------------
    
           highlightReverse (class HighlightReverse)
                   Specifies whether xterm should reverse the selection foreground
                   and background colors when selecting  text  with  reverse-video
                   attribute.   This  applies only to the highlightColor and high-
                   lightTextColor resources, e.g., to match the  color  scheme  of
                   xwsh.   If "true", xterm reverses the colors, If "false", xterm
                   does not reverse colors, The default is "true."
    
           highlightSelection (class HighlightSelection)
                   If "false", selecting with the mouse highlights  all  positions
                   on  the  screen  between the beginning of the selection and the
                   current position.  If "true", xterm highlights only  the  posi-
                   tions  that  contain text that can be selected.  The default is
                   "false."
    
                   Depending on the way your applications  write  to  the  screen,
                   there  may  be trailing blanks on a line.  Xterm stores data as
                   it is shown on the screen.  Erasing  the  display  changes  the
                   internal state of each cell so it is not considered a blank for
                   the purpose of selection.  Blanks written since the last  erase
                   are  selectable.  If you do not wish to have trailing blanks in
                   a selection, use the trimSelection resource.
    
           highlightTextColor (class HighlightTextColor)
                   Specifies the color to  use  for  the  foreground  of  selected
                   (highlighted)  text.   If  not  specified  (i.e.,  matching the
    
           iconBorderColor (class BorderColor)
                   Specifies  the  border color for the active icon window if this
                   feature is compiled into xterm.  Not all window  managers  will
                   make the icon border visible.
    
           iconBorderWidth (class BorderWidth)
                   Specifies  the  border width for the active icon window if this
                   feature is compiled into xterm.  The default is "2".   Not  all
                   window managers will make the border visible.
    
           iconFont (class IconFont)
                   Specifies  the  font  for  the miniature active icon window, if
                   this feature is compiled into xterm.  The default is "nil2".
    
           initialFont (class InitialFont)
                   Specifies which of the VT100 fonts to  use  initially.   Values
                   are  the  same  as  for the set-vt-font action.  The default is
                   "d", i.e., "default".
    
           inputMethod (class XtCInputMethod)
                   Tells xterm which type of input method to  use.   There  is  no
                   default method.
    
           internalBorder (class BorderWidth)
                   Specifies  the  number of pixels between the characters and the
                   window border.  The default is "2".
    
           italicULMode (class ColorAttrMode)
                   Specifies  whether  characters  with  the  underline  attribute
                   should  be displayed in an italic font or as underlined charac-
                   ters.  It is implemented only for TrueType fonts.
    
           jumpScroll (class JumpScroll)
                   Specifies whether or not jump scroll should be used.  This cor-
                   responds  to  the  VT102  DECSCLM private mode.  The default is
                   "true."  See fastScroll for a variation.
    
           keepSelection (class KeepSelection)
                   Specifies whether xterm will keep the selection even after  the
                   selected  area was touched by some output to the terminal.  The
                   default is "true".
    
           keyboardDialect (class KeyboardDialect)
                   Specifies the initial keyboard dialect, as well as the  default
                   value  when the terminal is reset.  The value given is the same
                   as the final character in the control  sequences  which  change
                   character  sets.   The  default is "B", which corresponds to US
                   ASCII.
    
           nameKeymap (class NameKeymap)
                   See the discussion of the keymap() action.
                       UTF-8 mode and invoking luit in non-UTF-8 locales.
    
                   medium
                       xterm will follow users' LC_CTYPE locale  only  for  UTF-8,
                       east  Asian, and Thai locales, where the encodings were not
                       supported by conventional 8bit mode  with  changing  fonts.
                       For other locales, xterm will use conventional 8bit mode.
    
                   checkfont
                       If  mini-luit is compiled-in, xterm will check if a Unicode
                       font has been specified.  If so, it checks if the character
                       encoding  for  the  current  locale  is  POSIX,  Latin-1 or
                       Latin-9, uses the appropriate mapping to support those with
                       the  Unicode font.  For other encodings, xterm assumes that
                       UTF-8 encoding is required.
    
                   false
                       xterm will use conventional 8bit mode or UTF-8 mode accord-
                       ing to utf8 resource or -u8 option.
    
                   Any other value, e.g., "UTF-8" or "ISO8859-2", is assumed to be
                   an encoding name; luit will be invoked to support the encoding.
                   The  actual  list  of supported encodings depends on luit.  The
                   default is "medium".
    
                   Regardless of your locale and encoding, you need an ISO-10646-1
                   font to display the result.  Your configuration may not include
                   this font, or locale-support by xterm may not  be  needed.   At
                   startup,  xterm  uses  a  mechanism  equivalent to the load-vt-
                   fonts(utf8Fonts, Utf8Fonts) action to  load  font  name  subre-
                   sources  of  the VT100 widget.  That is, resource patterns such
                   as  "*vt100.utf8Fonts.font"  will  be  loaded,  and  (if   this
                   resource  is enabled), override the normal fonts.  If no subre-
                   sources are found, the  normal  fonts  such  as  "*vt100.font",
                   etc.,  are used.  The resource files distributed with xterm use
                   ISO-10646-1 fonts, but do not rely on them unless you are using
                   the locale mechanism.
    
           localeFilter (class LocaleFilter)
                   Specifies  the  file  name  for  the encoding converter from/to
                   locale encodings and UTF-8 which is used with the -lc option or
                   locale resource.  The help message shown by "xterm -help" lists
                   the default value, which depends on your system  configuration.
    
                   If the encoding converter requires command-line parameters, you
                   should put those within a shell  script  to  execute  the  con-
                   verter, and set this resource to point to the shell script.
    
           loginShell (class LoginShell)
                   Specifies  whether  or  not  the  shell to be run in the window
                   should be started as a login shell.  The default is "false."
    
                   If  mkSampleSize  is  nonzero,  and  mkWidth (and cjkWidth) are
                   false, on startup xterm compares its  built-in  tables  to  the
                   system's wide character width data to decide if it will use the
                   system's data.  It tests the first mkSampleSize character  val-
                   ues,  and  allows up to mkSamplePass mismatches before the test
                   fails.  The default (for the allowed number of  mismatches)  is
                   256.
    
           mkSampleSize (class MkSampleSize)
                   With  mkSamplePass, this specifies a startup test used for ini-
                   tializing wide character width calculations.  The default (num-
                   ber of characters to check) is 1024.
    
           mkWidth (class MkWidth)
                   Specifies  whether  xterm  should use a built-in version of the
                   wide  character  width  calculation.   See  also  the  cjkWidth
                   resource which can override this.  The default is "false."
    
                   Here  is a summary of the resources which control the choice of
                   wide character width calculation:
    
                   cjkWidth   mkWidth   Action
                   ---------------------------------------------------------------
                   false      false     use system tables subject to mkSamplePass
                   false      true      use built-in tables
                   true       false     use built-in CJK tables
                   true       true      use built-in CJK tables
    
           modifyCursorKeys (class ModifyCursorKeys)
                   Tells how to handle the special case  where  Control-,  Shift-,
                   Alt-  or  Meta-modifiers  are  used  to  add a parameter to the
                   escape sequence returned by a cursor-key.  The default is "2":
    
                   Set it to -1 to disable it.
                   Set it to 0 to use the old/obsolete behavior.
                   Set it to 1 to prefix modified sequences with CSI.
                   Set it to 2 to force the modifier to be the second parameter if
                   it would otherwise be the first.
                   Set  it to 3 to mark the sequence with a ">" to hint that it is
                   private.
    
           modifyFunctionKeys (class ModifyFunctionKeys)
                   Tells how to handle the special case  where  Control-,  Shift-,
                   Alt-  or  Meta-modifiers  are  used  to  add a parameter to the
                   escape sequence returned by  a  (numbered)  function-key.   The
                   default  is "2".  The resource values are similar to modifyCur-
                   sorKeys:
    
                   Set it to -1 to permit the user to use shift- and control-modi-
                   fiers to construct function-key strings using the normal encod-
                   ing scheme.
                   Set it to 0 to use the old/obsolete behavior.
                        adds twice the value given by the ctrlFKeys resource.
    
                   Control/Shift
                        adds  three  times  the  value  given  by  the   ctrlFKeys
                        resource.
    
                   As  a  special  case,  legacy (when oldFunctionKeys is true) or
                   vt220 (when sunKeyboard is true) keyboards interpret  only  the
                   Control-modifier   when  constructing  numbered  function-keys.
                   This is done to provide compatible keyboards for DEC VT220  and
                   related terminals that implement user-defined keys (UDK).
    
           modifyOtherKeys (class ModifyOtherKeys)
                   Like  modifyCursorKeys,  tells  xterm  to  construct  an escape
                   sequence  for  other  keys  (such  as  "2")  when  modified  by
                   Control-,  Alt- or Meta-modifiers.  This feature does not apply
                   to function keys and well-defined keys such as ESC or the  con-
                   trol keys.  The default is "0":
    
                   0    disables this feature.
    
                   1    enables  this feature for keys except for those with well-
                        known behavior, e.g., Tab, Backarrow and some special con-
                        trol character cases, e.g., Control-Space to make a NUL.
    
                   2    enables  this  feature  for  keys including the exceptions
                        listed.
    
           multiClickTime (class MultiClickTime)
                   Specifies the maximum time in milliseconds between  multi-click
                   select events.  The default is "250" milliseconds.
    
           multiScroll (class MultiScroll)
                   Specifies  whether  or  not  scrolling  should  be  done  asyn-
                   chronously.  The default is "false."
    
           nMarginBell (class Column)
                   Specifies the number of characters from  the  right  margin  at
                   which  the  margin  bell  should  be  rung, when enabled by the
                   marginBell resource.  The default is "10".
    
           numLock (class NumLock)
                   If "true", xterm checks if NumLock is used as a  modifier  (see
                   xmodmap(1)).   If  so,  this  modifier  is used to simplify the
                   logic when implementing special  NumLock  for  the  sunKeyboard
                   resource.   Also  (when sunKeyboard is false), similar logic is
                   used to find the modifier associated with the  left  and  right
                   Alt keys.  The default is "true."
    
           oldXtermFKeys (class OldXtermFKeys)
                   If "true", xterm will use old-style control sequences for func-
                   tion keys F1 to F4, for compatibility with X Consortium  xterm.
                   start action) are interpreted according to the resource  values
                   of on2Clicks, etc.  The resource value can be one of these:
    
                   word
                      Select  a  "word"  as  determined by the charClass resource.
                      See the CHARACTER CLASSES section.
    
                   line
                      Select a line (counting wrapping).
    
                   group
                      Select a group of adjacent lines (counting  wrapping).   The
                      selection stops on a blank line, and does not extend outside
                      the current page.
    
                   page
                      Select all visible lines, i.e., the page.
    
                   all
                      Select all lines, i.e., including the saved lines.
    
                   regex
                      Select a "word" as  determined  by  the  regular  expression
                      which follows in the resource value.
    
                   none
                      No selection action is associated with this resource.  xterm
                      interprets it as the end of the list.  For example, you  may
                      use  it  to  disable triple (and higher) clicking by setting
                      on3Clicks to "none".
    
                   The default values for on2Clicks and on3Clicks are  "word"  and
                   "line",  respectively.  There is no default value for on4Clicks
                   or on5Clicks, making those inactive.  On startup, xterm  deter-
                   mines  the  maximum  number of clicks by the onXClicks resource
                   values which are set.
    
           openIm (class XtCOpenIm)
                   Tells xterm whether to open the input method at  startup.   The
                   default is "true".
    
           pointerColor (class PointerColor)
                   Specifies  the foreground color of the pointer.  The default is
                   "XtDefaultForeground."
    
           pointerColorBackground (class PointerColorBackground)
                   Specifies the background color of the pointer.  The default  is
                   "XtDefaultBackground."
    
           pointerMode (class PointerMode)
                   Specifies when the pointer may be hidden as the user types.  It
                   will be redisplayed if the user moves the mouse, or clicks  one
                   Specifies  whether the window would be raised when Control-G is
                   received.  The default is "false."
    
                   If the window is iconified, this has no effect.   However,  the
                   zIconBeep  resource  provides you with the ability to see which
                   iconified windows have sounded a bell.
    
           preeditType (class XtCPreeditType)
                   Tells xterm which types of preedit  (preconversion)  string  to
                   display.  The default is "OverTheSpot,Root".
    
           printAttributes (class PrintAttributes)
                   Specifies  whether  to  print graphic attributes along with the
                   text.  A real DEC VTxxx  terminal  will  print  the  underline,
                   highlighting codes but your printer may not handle these.
    
                   ?   "0" disables the attributes.
    
                   ?   "1"  prints  the normal set of attributes (bold, underline,
                       inverse and blink) as VT100-style control sequences.
    
                   ?   "2" prints ANSI color attributes as well.
    
                   The default is "1".
    
           printFileImmediate (PrintFileImmediate)
                   When the print-immediate action is invoked,  xterm  prints  the
                   screen  contents  directly to a file.  Set this resource to the
                   prefix of the filename (a timestamp will  be  appended  to  the
                   actual name).
    
                   The  default  is  an  empty string, i.e., "", However, when the
                   print-immediate action is invoked, if the string is empty, then
                   "XTerm" is used.
    
           printFileOnXError (PrintFileOnXError)
                   If xterm exits with an X error, e.g., your connection is broken
                   when the server crashes, it can be told to write  the  contents
                   of  the  screen  to  a  file.   To enable the feature, set this
                   resource to the prefix of the filename  (a  timestamp  will  be
                   appended to the actual name).
    
                   The  default  is an empty string, i.e., "", which disables this
                   feature.  However, when the print-on-error action  is  invoked,
                   if the string is empty, then "XTermError" is used.
    
                   These error codes are handled: ERROR_XERROR, ERROR_XIOERROR and
                   ERROR_ICEERROR.
    
           printModeImmediate (PrintModeImmediate)
                   When the print-immediate action is invoked,  xterm  prints  the
                   screen  contents directly to a file.  You can use the printMod-
                   Specify the range of text which is printed to a file  when  the
                   print-immediately action is invoked.
    
                   ?   If zero (0), then this selects the current (visible screen)
                       plus the saved lines, except if  the  alternate  screen  is
                       being  used.   In  that  case, only the alternate screen is
                       selectd.
    
                   ?   If nonzero, the bits of this  resource  value  (checked  in
                       descending order) select the range:
    
                       8  selects the saved lines.
    
                       4  selects the alternate screen.
    
                       2  selects the normal screen.
    
                       1  selects the current screen, which can be either the nor-
                          mal or alternate screen.
    
                   The default is "9", which selects the  current  visible  screen
                   plus  saved  lines,  with  no  special  case for the alternated
                   screen.
    
           printOptsOnXError (PrintOptsOnXError)
                   Specify the range of text which is printed to a file  when  the
                   print-on-error action is invoked.  The resource value is inter-
                   preted the same as in printOptsImmediate.
    
                   The default is "9", which selects the  current  visible  screen
                   plus  saved  lines,  with  no  special  case for the alternated
                   screen.
    
           printerAutoClose (class PrinterAutoClose)
                   If "true", xterm will close  the  printer  (a  pipe)  when  the
                   application switches the printer offline with a Media Copy com-
                   mand.  The default is "false."
    
           printerCommand (class PrinterCommand)
                   Specifies a shell command to which xterm will open a pipe  when
                   the first MC (Media Copy) command is initiated.  The default is
                   an empty string, i.e., "".  If the resource value is  given  as
                   an empty string, the printer is disabled.
    
           printerControlMode (class PrinterControlMode)
                   Specifies  the  printer  control mode.  A "1" selects autoprint
                   mode, which causes xterm to print a line from the  screen  when
                   you  move  the cursor off that line with a line feed, form feed
                   or vertical tab character, or an  autowrap  occurs.   Autoprint
                   mode  is  overridden  by printer controller mode (a "2"), which
                   causes all of the output to be directed to  the  printer.   The
                   default is "0".
    
           quietGrab (class QuietGrab)
                   Controls  whether  the  cursor is repainted when NotifyGrab and
                   NotifyUngrab event types are received during change  of  focus.
                   The default is "false."
    
           renderFont (class RenderFont)
                   If  xterm  is built with the Xft library, this controls whether
                   the faceName resource is used.  The default is "default."
    
                   The resource values are strings, evaluated  as  booleans  after
                   startup.
    
                   false
                        disable the feature and use the normal (bitmap) font.
    
                   true
                        startup  using the TrueType font specified by the faceName
                        and faceSize resource settings.  If there is no value  for
                        faceName,  disable the feature and use the normal (bitmap)
                        font.
    
                        After startup, you can still  switch  to/from  the  bitmap
                        font using the "TrueType Fonts" menu entry.
    
                   default
                        startup  using  the  normal  (bitmap) font, but enable the
                        "TrueType Fonts" menu entry  to  allow  runtime  switching
                        to/from TrueType fonts.
    
                        If there is no faceName resource set, then runtime switch-
                        ing to TrueType fonts is disabled.  Xterm has  a  separate
                        compiled-in  value for faceName for the special case where
                        renderFont is "default".  That is normally "mono".
    
           resizeGravity (class ResizeGravity)
                   Affects the behavior when the window is resized to be taller or
                   shorter.   NorthWest specifies that the top line of text on the
                   screen stay fixed.  If the window is made  shorter,  lines  are
                   dropped  from  the  bottom; if the window is made taller, blank
                   lines are added at the bottom.  This  is  compatible  with  the
                   behavior  in  R4.   SouthWest  (the default) specifies that the
                   bottom line of text on the screen stay fixed.  If the window is
                   made  taller, additional saved lines will be scrolled down onto
                   the screen; if the  window  is  made  shorter,  lines  will  be
                   scrolled  off  the  top  of the screen, and the top saved lines
                   will be dropped.
    
           retryInputMethod (class XtCRetryInputMethod)
                   Tells xterm how many times to retry, in case  the  input-method
                   server  is  not  responding.   This  is  a different issue than
                   unsupported preedit type, etc.  You may  encounter  retries  if
                   your  X  configuration  (and its libraries) are missing pieces.
    
                   ?   If the user has also used command-line options -fg  or  -bg
                       to set the foreground and background colors, xterm does not
                       see these  options  directly.   Instead,  it  examines  the
                       resource  values  to  reconstruct the command-line options,
                       and determine which of the colors is  the  user's  intended
                       foreground, etc.  Their actual values are irrelevant to the
                       reverse video function; some users prefer  the  X  defaults
                       (black  text  on  a  white background), others prefer white
                       text on a black background.
    
                   ?   After startup, the user  can  toggle  the  "Enable  Reverse
                       Video"  menu  entry.  This exchanges the current foreground
                       and background colors of the VT100 widget, and repaints the
                       screen.  Because of the X resource hierarchy, the reverseV-
                       ideo resource applies to more than the VT100 widget.
    
                   Programs running in an xterm can also use control sequences  to
                   enable  the VT100 reverse video mode.  These are independent of
                   the reverseVideo resource and the menu entry.  Xterm  exchanges
                   the  current foreground and background colors when drawing text
                   affected by these control sequences.
    
                   Other control sequences can alter the foreground and background
                   colors which are used:
    
                   ?   Programs  can  also use the ANSI color control sequences to
                       set the foreground and background colors.
    
                   ?   Extensions to the ANSI color controls (such as 16-, 88-  or
                       256-colors) are treated similarly to the ANSI control.
    
                   ?   Using  other  control  sequences (the "dynamic colors" fea-
                       ture), a program can change the foreground  and  background
                       colors.
    
           reverseWrap (class ReverseWrap)
                   Specifies  whether or not reverse-wraparound should be enabled.
                   This corresponds to xterm's private mode 45.   The  default  is
                   "false."
    
           rightScrollBar (class RightScrollBar)
                   Specifies  whether  or not the scrollbar should be displayed on
                   the right rather than the left.  The default is "false."
    
           saveLines (class SaveLines)
                   Specifies the number of lines to save beyond  the  top  of  the
                   screen when a scrollbar is turned on.  The default is "64".
    
           scrollBar (class ScrollBar)
                   Specifies  whether  or  not  the scrollbar should be displayed.
                   The default is "false."
                   Specifies the number of lines that the scroll-back and  scroll-
                   forw  actions should use as a default.  The default value is 1.
    
           scrollTtyOutput (class ScrollCond)
                   Specifies whether or not output to the terminal should automat-
                   ically cause the scrollbar to go to the bottom of the scrolling
                   region.  The default is "true."
    
           selectToClipboard (class SelectToClipboard)
                   Tells xterm whether to use the PRIMARY or CLIPBOARD for  SELECT
                   tokens  in  the selection mechanism.  The set-select action can
                   change this at runtime, allowing the user to work with programs
                   that  handle  only  one  of  these  mechanisms.  The default is
                   "false", which tells it to use PRIMARY.
    
           shiftFonts (class ShiftFonts)
                   Specifies whether to enable the  actions  larger-vt-font()  and
                   smaller-vt-font(),  which  are  normally  bound  to the shifted
                   KP_Add and KP_Subtract.  The default is "true."
    
           showBlinkAsBold (class ShowBlinkAsBold)
                   Tells xterm whether to display text  with  blink-attribute  the
                   same  as  bold.   If  xterm  has not been configured to support
                   blinking text, the default is  "true.",  which  corresponds  to
                   older versions of xterm, otherwise the default is "false."
    
           showMissingGlyphs (class ShowMissingGlyphs)
                   Tells  xterm  whether to display a box outlining places where a
                   character has been used that the font does not represent.   The
                   default is "false."
    
           showWrapMarks (class ShowWrapMarks)
                   For  debugging  xterm  and applications that may manipulate the
                   wrapped-line flag by writing text at the right margin,  show  a
                   mark  on  the right inner-border of the window.  The mark shows
                   which lines have the flag set.
    
           signalInhibit (class SignalInhibit)
                   Specifies whether or not the entries in the "Main Options" menu
                   for sending signals to xterm should be disallowed.  The default
                   is "false."
    
           tekGeometry (class Geometry)
                   Specifies the preferred size and position of the Tektronix win-
                   dow.  There is no default for this resource.
    
           tekInhibit (class TekInhibit)
                   Specifies whether or not the escape sequence to enter Tektronix
                   mode should be ignored.  The default is "false."
    
           tekSmall (class TekSmall)
                   Specifies whether or not the Tektronix mode window should start
                   wiping  out the text that would be shown before the application
                   was initialized.  The default for this resource is "false."
    
           titeInhibit (class TiteInhibit)
                   Specifies whether or not xterm should remove ti and te  termcap
                   entries (used to switch between alternate screens on startup of
                   many screen-oriented programs) from  the  TERMCAP  string.   If
                   set,  xterm  also  ignores the escape sequence to switch to the
                   alternate screen.  Xterm supports terminfo in a different  way,
                   supporting  composite  control sequences (also known as private
                   modes) 1047, 1048 and 1049 which have the same  effect  as  the
                   original 47 control sequence.  The default for this resource is
                   "false."
    
           titleModes (class TitleModes)
                   Tells xterm whether to accept or return window- and icon-labels
                   in ISO-8859-1 (the default) or UTF-8.  Either can be encoded in
                   hexadecimal.  The default for this resource is "0".
    
                   Each bit (bit "0" is 1, bit "1" is 2, etc.)  corresponds to one
                   of the parameters set by the title modes control sequence:
    
                   0    Set window/icon labels using hexadecimal
    
                   1    Query window/icon labels using hexadecimal
    
                   2    Set  window/icon  labels using UTF-8 (overrides utf8Titles
                        resource).
    
                   3    Query window/icon labels using UTF-8
    
           translations (class Translations)
                   Specifies the key and button bindings  for  menus,  selections,
                   "programmed  strings,"  etc.   The translations resource, which
                   provides much of xterm's configurability, is a feature of the X
                   Toolkit Intrinsics library (Xt).  See the ACTIONS section.
    
           trimSelection (class TrimSelection)
                   If  you  set  highlightSelection, you can see the text which is
                   selected, including any trailing spaces.  Clearing  the  screen
                   (or  a  line)  resets it to a state containing no spaces.  Some
                   lines may contain trailing spaces when  an  application  writes
                   them  to  the screen.  However, you may not wish to paste lines
                   with trailing spaces.  If this resource  is  true,  xterm  will
                   trim  trailing spaces from text which is selected.  It does not
                   affect spaces which result in a wrapped line, nor will it  trim
                   the  trailing  newline  from  your  selection.   The default is
                   "false."
    
           underLine (class UnderLine)
                   This specifies whether or not text with the underline attribute
                   should be underlined.  It may be desirable to disable underlin-
    
                   Xterm  accepts  either  a keyword (ignoring case) or the number
                   shown in parentheses:
    
                   false (0)
                      UTF-8 mode is initially off.  The  command-line  option  +u8
                      sets the resource to this value.  Escape sequences for turn-
                      ing UTF-8 mode on/off are allowed.
    
                   true (1)
                      UTF-8 mode is initially on.  Escape  sequences  for  turning
                      UTF-8 mode on/off are allowed.
    
                   always (2)
                      The command-line option -u8 sets the resource to this value.
                      Escape sequences for turning UTF-8 mode on/off are  ignored.
    
                   default (3)
                      This  is  the  default value of the resource.  It is changed
                      during  initialization  depending  on  whether  the   locale
                      resource  was  set,  to  false  (0)  or always (2).  See the
                      locale  resource  for  additional  discussion  of  non-UTF-8
                      locales.
    
                   If  you  want  to  set  the value of utf8, it should be in this
                   range.  Other nonzero values are treated the same as "1", i.e.,
                   UTF-8  mode  is  initially on, and escape sequences for turning
                   UTF-8 mode on/off are allowed.
    
           utf8Fonts (class Utf8Fonts)
                   See the discussion of  the  locale  resource.   This  specifies
                   whether  xterm will use UTF-8 fonts specified via resource pat-
                   terns such as "*vt100.utf8Fonts.font"  or  normal  (ISO-8859-1)
                   fonts  via patterns such as "*vt100.font".  The resource can be
                   set  via  the  menu  entry  "UTF-8  Fonts".   The  default   is
                   "default."
    
                   Xterm  accepts  either  a keyword (ignoring case) or the number
                   shown in parentheses:
    
                   false (0)
                          Use the ISO-8859-1 fonts.  The menu  entry  is  enabled,
                          allowing the choice of fonts to be changed at runtime.
    
                   true (1)
                          Use  the UTF-8 fonts.  The menu entry is enabled, allow-
                          ing the choice of fonts to be changed at runtime.
    
                   always (2)
                          Always use the UTF-8 fonts.  This also disables the menu
                          entry.
    
    
           utf8Title (class Utf8Title)
                   Applications  can  set  xterm's  title  by  writing  a  control
                   sequence.  Normally this control  sequence  follows  the  VT220
                   convention,  which  encodes the string in ISO-8859-1 and allows
                   for an 8-bit string terminator.  If xterm is started in a UTF-8
                   locale,  it  translates  the ISO-8859-1 string to UTF-8 to work
                   with the X libraries which assume the string is UTF-8.
    
                   However, some users may wish to write a title string encoded in
                   UTF-8.   The  window  manager is responsible for drawing window
                   titles.  Some window managers (not all) support UTF-8  encoding
                   of  window  titles.  Set this resource to "true" to allow UTF-8
                   encoded title strings.  That cancels the translation to  UTF-8,
                   allowing UTF-8 strings to be displayed as is.
    
                   This  feature is available as a menu entry, since it is related
                   to the particular applications you are  running  within  xterm.
                   You  can  also  use  a  control sequence (see the discussion of
                   "Title Modes" in the control sequences  document),  to  set  an
                   equivalent  flag.  The titleModes resource sets the same value,
                   which overrides this resource.
    
                   The default is "false."
    
           veryBoldColors (class VeryBoldColors)
                   Specifies whether to combine video attributes with colors spec-
                   ified  by  colorBD, colorBL, colorRV and colorUL.  The resource
                   value is the sum of values for each attribute:
                     1 for reverse,
                     2 for underline,
                     4 for bold and
                     8 for blink.
    
                   The default is "0".
    
           visualBell (class VisualBell)
                   Specifies whether or not a visible bell (i.e., flashing) should
                   be  used instead of an audible bell when Control-G is received.
                   The default is "false."
    
           visualBellDelay (class VisualBellDelay)
                   Number of milliseconds to delay when displaying a visual  bell.
                   Default  is  100.  If set to zero, no visual bell is displayed.
                   This is useful for very slow displays, e.g., an LCD display  on
                   a laptop.
    
           vt100Graphics (class VT100Graphics)
                   This specifies whether xterm will interpret VT100 graphic char-
                   acter escape sequences while in UTF-8  mode.   The  default  is
                   "true", to provide support for various legacy applications.
    
                   as the font that will be used  to  draw  normal  text.   If  no
                   double-width  font  is  found, it will improvise, by stretching
                   the normal font.
    
           ximFont (class XimFont)
                   This option specifies the font to be used  for  displaying  the
                   preedit string in the "OverTheSpot" input method.
    
                   In  "OverTheSpot"  preedit  type,  the  preedit (preconversion)
                   string is displayed at the position of the cursor.  It  is  the
                   XIM server's responsibility to display the preedit string.  The
                   XIM client must inform the XIM server of the  cursor  position.
                   For  best  results, the preedit string must be displayed with a
                   proper font.  Therefore, xterm informs the XIM  server  of  the
                   proper  font.   The  font  is be supplied by a "fontset", whose
                   default value is "*".  This matches every font, the  X  library
                   automatically  chooses fonts with proper charsets.  The ximFont
                   resource is provided to override this default font setting.
    
       Tek4014 Widget Resources
           The following resources are specified as part  of  the  tek4014  widget
           (class   Tek4014).    These   are   specified   by   patterns  such  as
           "XTerm.tek4014.NAME":
    
           font2 (class Font)
                   Specifies font number 2 to use in the Tektronix window.
    
           font3 (class Font)
                   Specifies font number 3 to use in the Tektronix window.
    
           fontLarge (class Font)
                   Specifies the large font to use in the Tektronix window.
    
           fontSmall (class Font)
                   Specifies the small font to use in the Tektronix window.
    
           ginTerminator (class GinTerminator)
                   Specifies what character(s) should follow a GIN report or  sta-
                   tus  report.  The possibilities are "none," which sends no ter-
                   minating characters, "CRonly," which sends  CR,  and  "CR&EOT,"
                   which sends both CR and EOT.  The default is "none."
    
           height (class Height)
                   Specifies the height of the Tektronix window in pixels.
    
           initialFont (class InitialFont)
                   Specifies  which  of the four Tektronix fonts to use initially.
                   Values are the  same  as  for  the  set-tek-text  action.   The
                   default is "large."
    
           width (class Width)
                   Specifies the width of the Tektronix window in pixels.
                   This entry invokes the secure() action.
    
           allowsends (class SmeBSB)
                   This entry invokes the allow-send-events(toggle) action.
    
           redraw (class SmeBSB)
                   This entry invokes the redraw() action.
    
           logging (class SmeBSB)
                   This entry invokes the logging(toggle) action.
    
           print-immediate (class SmeBSB)
                   This entry invokes the print-immediate() action.
    
           print-on-error (class SmeBSB)
                   This entry invokes the print-on-error() action.
    
           print (class SmeBSB)
                   This entry invokes the print() action.
    
           print-redir (class SmeBSB)
                   This entry invokes the print-redir() action.
    
           8-bit-control (class SmeBSB)
                   This entry invokes the set-8-bit-control(toggle) action.
    
           backarrow key (class SmeBSB)
                   This entry invokes the set-backarrow(toggle) action.
    
           num-lock (class SmeBSB)
                   This entry invokes the set-num-lock(toggle) action.
    
           alt-esc (class SmeBSB)
                   This entry invokes the alt-sends-escape(toggle) action.
    
           meta-esc (class SmeBSB)
                   This entry invokes the meta-sends-escape(toggle) action.
    
           delete-is-del (class SmeBSB)
                   This entry invokes the delete-is-del(toggle) action.
    
           oldFunctionKeys (class SmeBSB)
                   This entry invokes the old-function-keys(toggle) action.
    
           hpFunctionKeys (class SmeBSB)
                   This entry invokes the hp-function-keys(toggle) action.
    
           scoFunctionKeys (class SmeBSB)
                   This entry invokes the sco-function-keys(toggle) action.
    
           sunFunctionKeys (class SmeBSB)
                   This entry invokes the sun-function-keys(toggle) action.
    
           hangup (class SmeBSB)
                   This entry invokes the send-signal(hup) action.
    
           terminate (class SmeBSB)
                   This entry invokes the send-signal(term) action.
    
           kill (class SmeBSB)
                   This entry invokes the send-signal(kill) action.
    
           quit (class SmeBSB)
                   This entry invokes the quit() action.
    
           The vtMenu has the following entries:
    
           scrollbar (class SmeBSB)
                   This entry invokes the set-scrollbar(toggle) action.
    
           jumpscroll (class SmeBSB)
                   This entry invokes the set-jumpscroll(toggle) action.
    
           reversevideo (class SmeBSB)
                   This entry invokes the set-reverse-video(toggle) action.
    
           autowrap (class SmeBSB)
                   This entry invokes the set-autowrap(toggle) action.
    
           reversewrap (class SmeBSB)
                   This entry invokes the set-reversewrap(toggle) action.
    
           autolinefeed (class SmeBSB)
                   This entry invokes the set-autolinefeed(toggle) action.
    
           appcursor (class SmeBSB)
                   This entry invokes the set-appcursor(toggle) action.
    
           appkeypad (class SmeBSB)
                   This entry invokes the set-appkeypad(toggle) action.
    
           scrollkey (class SmeBSB)
                   This entry invokes the set-scroll-on-key(toggle) action.
    
           scrollttyoutput (class SmeBSB)
                   This entry invokes the set-scroll-on-tty-output(toggle) action.
    
           allow132 (class SmeBSB)
                   This entry invokes the set-allow132(toggle) action.
    
           cursesemul (class SmeBSB)
                   This entry invokes the set-cursesemul(toggle) action.
    
           visualbell (class SmeBSB)
           activeicon (class SmeBSB)
                   This entry toggles active icons on and off if this feature  was
                   compiled  into  xterm.  It is enabled only if xterm was started
                   with the command line option +ai or the activeIcon resource  is
                   set to "true."
    
           softreset (class SmeBSB)
                   This entry invokes the soft-reset() action.
    
           hardreset (class SmeBSB)
                   This entry invokes the hard-reset() action.
    
           clearsavedlines (class SmeBSB)
                   This entry invokes the clear-saved-lines() action.
    
           tekshow (class SmeBSB)
                   This entry invokes the set-visibility(tek,toggle) action.
    
           tekmode (class SmeBSB)
                   This entry invokes the set-terminal-type(tek) action.
    
           vthide (class SmeBSB)
                   This entry invokes the set-visibility(vt,off) action.
    
           altscreen (class SmeBSB)
                   This entry invokes the set-altscreen(toggle) action.
    
           The fontMenu has the following entries:
    
           fontdefault (class SmeBSB)
                   This entry invokes the set-vt-font(d) action.
    
           font1 (class SmeBSB)
                   This entry invokes the set-vt-font(1) action.
    
           font2 (class SmeBSB)
                   This entry invokes the set-vt-font(2) action.
    
           font3 (class SmeBSB)
                   This entry invokes the set-vt-font(3) action.
    
           font4 (class SmeBSB)
                   This entry invokes the set-vt-font(4) action.
    
           font5 (class SmeBSB)
                   This entry invokes the set-vt-font(5) action.
    
           font6 (class SmeBSB)
                   This entry invokes the set-vt-font(6) action.
    
           fontescape (class SmeBSB)
                   This entry invokes the set-vt-font(e) action.
                   This entry invokes the set-render-font(s) action.
    
           utf8-mode (class SmeBSB)
                   This entry invokes the set-utf8-mode(s) action.
    
           utf8-title (class SmeBSB)
                   This entry invokes the set-utf8-title(s) action.
    
           The tekMenu has the following entries:
    
           tektextlarge (class SmeBSB)
                   This entry invokes the set-tek-text(large) action.
    
           tektext2 (class SmeBSB)
                   This entry invokes the set-tek-text(2) action.
    
           tektext3 (class SmeBSB)
                   This entry invokes the set-tek-text(3) action.
    
           tektextsmall (class SmeBSB)
                   This entry invokes the set-tek-text(small) action.
    
           tekpage (class SmeBSB)
                   This entry invokes the tek-page() action.
    
           tekreset (class SmeBSB)
                   This entry invokes the tek-reset() action.
    
           tekcopy (class SmeBSB)
                   This entry invokes the tek-copy() action.
    
           vtshow (class SmeBSB)
                   This entry invokes the set-visibility(vt,toggle) action.
    
           vtmode (class SmeBSB)
                   This entry invokes the set-terminal-type(vt) action.
    
           tekhide (class SmeBSB)
                   This entry invokes the set-visibility(tek,toggle) action.
    
       Scrollbar Resources
           The  following  resources  are  useful  when  specified  for the Athena
           Scrollbar widget:
    
           thickness (class Thickness)
                   Specifies the width in pixels of the scrollbar.
    
           background (class Background)
                   Specifies the color to use for the background of the scrollbar.
    
           foreground (class Foreground)
                   Specifies the color to use for the foreground of the scrollbar.
    
           buffer.  Move the cursor to beginning of the text, and  then  hold  the
           button  down  while  moving  the  cursor  to  the end of the region and
           releasing the button.  The selected text is highlighted and is saved in
           the global cut buffer and made the PRIMARY selection when the button is
           released.  Normally (but see the discussion of on2Clicks, etc):
    
                  -  Double-clicking selects by words.
    
                  -  Triple-clicking selects by lines.
    
                  -  Quadruple-clicking goes back to characters, etc.
    
           Multiple-click is determined by the time from button up to button down,
           so  you  can  change  the  selection unit in the middle of a selection.
           Logical words and lines selected by double- or triple-clicking may wrap
           across  more than one screen line if lines were wrapped by xterm itself
           rather than by the application running in the window.  If the  key/but-
           ton  bindings  specify  that  an  X selection is to be made, xterm will
           leave the selected text highlighted for as long as it is the  selection
           owner.
    
           Pointer  button two (usually middle) "types" (pastes) the text from the
           PRIMARY selection, if any, otherwise from the cut buffer, inserting  it
           as keyboard input.
    
           Pointer  button  three  (usually  right) extends the current selection.
           (Without loss of generality, you can swap "right" and "left" everywhere
           in  the  rest of this paragraph.)  If pressed while closer to the right
           edge of the selection than the left,  it  extends/contracts  the  right
           edge  of  the  selection.   If you contract the selection past the left
           edge of the selection, xterm assumes you really meant  the  left  edge,
           restores  the  original selection, then extends/contracts the left edge
           of the selection.  Extension starts in the selection unit mode that the
           last selection or extension was performed in; you can multiple-click to
           cycle through them.
    
           By cutting and pasting pieces of text without trailing new  lines,  you
           can  take text from several places in different windows and form a com-
           mand to the shell, for example, or  take  output  from  a  program  and
           insert  it  into  your favorite editor.  Since cut buffers are globally
           shared among different applications, you may regard each  as  a  "file"
           whose contents you know.  The terminal emulator and other text programs
           should be treating it as if it were a text  file,  i.e.,  the  text  is
           delimited by new lines.
    
       SCROLLING
           The  scroll  region  displays the position and amount of text currently
           showing in the window (highlighted) relative  to  the  amount  of  text
           actually saved.  As more text is saved (up to the maximum), the size of
           the highlighted area decreases.
    
           Clicking button one with the pointer in the  scroll  region  moves  the
           respectively.  If the "shift" key is pressed when a pointer  button  is
           pressed, the corresponding upper case letter is sent.  To distinguish a
           pointer button from a key, the high bit of the character  is  set  (but
           this  is  bit is normally stripped unless the terminal mode is RAW; see
           tty(4) for details).
    
    
    

    SELECT/PASTE

           X clients provide select and paste support by  responding  to  requests
           conveyed by the server.
    
       PRIMARY
           When  configured  to use the primary selection, (the default) xterm can
           provide the selection data in  ways  which  help  to  retain  character
           encoding information as it is pasted.
    
           A  user "selects" text on xterm, which highlights the selected text.  A
           subsequent "paste" to another client forwards a request to  the  client
           owning  the  selection.   If xterm owns the primary selection, it makes
           the data available in the form of one or more "selection targets".   If
           it  does  not own the primary selection, e.g., if it has released it or
           another client has asserted ownership, it relies on cut-buffers to pass
           the  data.   But  cut-buffers handle only ISO-8859-1 data (officially -
           some clients ignore the rules).
    
       CLIPBOARD
           When configured to use the clipboard (see resource  selectToClipboard),
           the  problem  with  persistence  of  ownership is bypassed.  Otherwise,
           there is no difference regarding the  data  which  can  be  passed  via
           selection.
    
       SELECTION TARGETS
           The different types of data which are passed depend on what the receiv-
           ing client asks for.  These are termed selection targets.
    
           When asking for the selection data, xterm tries the following types  in
           this order:
    
                  UTF8_STRING
                       This  is  an XFree86 extension, which denotes that the data
                       is encoded in UTF-8.  When xterm is built with wide-charac-
                       ter support, it both accepts and provides this type.
    
                  TEXT the  text is in the encoding which corresponds to your cur-
                       rent locale.
    
                  COMPOUND_TEXT
                       this is a format for multiple character set data,  such  as
                       multi-lingual  text.   It can store UTF-8 data as a special
                       case.
    
                  STRING
                       This is Latin 1 (ISO-8859-1) data.
    
           cific  locale  setting which does not use UTF-8 encoding.  The resource
           value is a comma-separated list of the selection targets, which consist
           of  the  names  shown.  You can use the special name I18N to denote the
           optional inclusion of TEXT and COMPOUND_TEXT.  The  names  are  matched
           ignoring  case,  and  can  be  abbreviated.   The  default  list can be
           expressed in several ways, e.g.,
    
                  UTF8_STRING,I18N,STRING
                  utf8,i18n,string
                  u,i,s
    
    
    

    MENUS

           Xterm has four menus, named mainMenu, vtMenu,  fontMenu,  and  tekMenu.
           Each  menu  pops  up  under  the correct combinations of key and button
           presses.  Each menu is divided into sections, separated by a horizontal
           line.   Some  menu  entries correspond to modes that can be altered.  A
           check mark appears next to a mode that is currently active.   Selecting
           one of these modes toggles its state.  Other menu entries are commands;
           selecting one of these performs the indicated function.
    
           All of the menu entries correspond to X actions.  In  the  list  below,
           the menu label is shown followed by the action's name in parenthesis.
    
       Main Options
           The  xterm  mainMenu  pops up when the "control" key and pointer button
           one are pressed in a window.  This menu contains items  that  apply  to
           both the VT102 and Tektronix windows.  There are several sections:
    
           Commands for managing X events:
    
                  Toolbar
                         Clicking on the "Toolbar" menu entry hides the toolbar if
                         it is visible, and shows it if it is not.
    
                  Secure Keyboard (securekbd)
                         The Secure Keyboard mode is helpful when typing in  pass-
                         words or other sensitive data in an unsecure environment;
                         see SECURITY below (but read the limitations  carefully).
    
                  Allow SendEvents (allowsends)
                         Specifies  whether or not synthetic key and button events
                         generated using the X protocol SendEvent  request  should
                         be  interpreted  or  discarded.   This corresponds to the
                         allowSendEvents resource.
    
                  Redraw Window (redraw)
                         Forces the X display to repaint; useful in some  environ-
                         ments.
    
           Commands for capturing output:
    
                  Log to File (logging)
                         printOptsXError resources.
    
                  Print Window (print)
                         Sends the text of the current window to the program given
                         in the printerCommand resource.
    
                  Redirect to Printer (print-redir)
                         This sets the printerControlMode to 0 or 2.  You can  use
                         this to turn the printer on as if an application had sent
                         the appropriate control sequence.  It is also useful  for
                         switching  the  printer off if an application turns it on
                         without resetting the print control mode.
    
           Modes for setting keyboard style:
    
                  8-Bit Controls (8-bit-control)
                         Enabled for VT220 emulation, this controls whether  xterm
                         will send 8-bit control sequences rather than using 7-bit
                         (ASCII) controls, e.g.,  sending  a  byte  in  the  range
                         128-159  rather  than  the escape character followed by a
                         second byte.  Xterm  always  interprets  both  8-bit  and
                         7-bit  control  sequences (see the document Xterm Control
                         Sequences).   This  corresponds  to  the  eightBitControl
                         resource.
    
                  Backarrow Key (BS/DEL) (backarrow key)
                         Modifies  the  behavior  of  the backarrow key, making it
                         transmit either a backspace (8) or delete  (127)  charac-
                         ter.  This corresponds to the backarrowKey resource.
    
                  Alt/NumLock Modifiers (num-lock)
                         Controls the treatment of Alt- and NumLock-key modifiers.
                         This corresponds to the numLock resource.
    
                  Meta Sends Escape (meta-esc)
                         Controls whether Meta keys are converted into a two-char-
                         acter sequence with the character itself preceded by ESC.
                         This corresponds to the metaSendsEscape resource.
    
                  Delete is DEL (delete-is-del)
                         Controls whether the Delete key  on  the  editing  keypad
                         should  send  DEL  (127) or the VT220-style Remove escape
                         sequence.  This corresponds to the deleteIsDEL  resource.
    
                  Old Function-Keys (oldFunctionKeys)
    
                  HP Function-Keys (hpFunctionKeys)
    
                  SCO Function-Keys (scoFunctionKeys)
    
                  Sun Function-Keys (sunFunctionKeys)
    
                  Send HUP Signal (hangup)
    
                  Send TERM Signal (terminate)
    
                  Send KILL Signal (kill)
                         These send the SIGTSTP, SIGCONT, SIGINT, SIGHUP,  SIGTERM
                         and SIGKILL signals respectively, to the process group of
                         the process running under xterm (usually the shell).  The
                         SIGCONT  function  is  especially  useful if the user has
                         accidentally typed CTRL-Z, suspending the process.
    
                  Quit (quit)
                         Stop processing X events  except  to  support  the  -hold
                         option,  and then send a SIGHUP signal to the the process
                         group of the process running  under  xterm  (usually  the
                         shell).
    
       VT Options
           The  vtMenu sets various modes in the VT102 emulation, and is popped up
           when the "control" key and pointer button two are pressed in the  VT102
           window.
    
           VT102/VT220 Modes:
    
                  Enable Scrollbar (scrollbar)
                         Enable  (or  disable) the scrollbar.  This corresponds to
                         the -sb option and the scrollBar resource.
    
                  Enable Jump Scroll (jumpscroll)
                         Enable (or disable) jump scrolling.  This corresponds  to
                         the -j option and the jumpScroll resource.
    
                  Enable Reverse Video (reversevideo)
                         Enable  (or  disable) reverse-video.  This corresponds to
                         the -rv option and the reverseVideo resource.
    
                  Enable Auto Wraparound (autowrap)
                         Enable (or disable) auto-wraparound.  This corresponds to
                         the -aw option and the autoWrap resource.
    
                  Enable Reverse Wraparound (reversewrap)
                         Enable (or disable) reverse wraparound.  This corresponds
                         to the -rw option and the reverseWrap resource.
    
                  Enable Auto Linefeed (autolinefeed)
                         Enable (or disable) auto-linefeed.  This is the VT102 NEL
                         function,  which  causes  the emulator to emit a linefeed
                         after each carriage return.  There  is  no  corresponding
                         command-line option or resource setting.
    
                  Enable Application Cursor Keys (appcursor)
                         As  a  special  case,  the XON / XOFF keys (control/S and
                         control/Q) are ignored.
    
                  Scroll to Bottom on Tty Output (scrollttyoutput)
                         Enable (or  disable)  scrolling  to  the  bottom  of  the
                         scrolling  region on output to the terminal.  This corre-
                         sponds  to  the  -si  option  and   the   scrollTtyOutput
                         resource.
    
                  Allow 80/132 Column Switching (allow132)
                         Enable (or disable) switching between 80 and 132 columns.
                         This  corresponds  to  the  -132  option  and  the   c132
                         resource.
    
                  Keep Selection (keepSelection)
                         Tell  xterm whether to disown the selection when it stops
                         highlighting it, e.g., when an application  modifies  the
                         display  so  that it no longer matches the text which has
                         been highlighted.  As long as xterm continues to own  the
                         selection, it can provide the corresponding text to other
                         clients via cut/paste.  This corresponds to  the  keepSe-
                         lection resource.  There is no corresponding command-line
                         option.
    
                  Select to Clipboard (selectToClipboard)
                         Tell xterm whether to use the PRIMARY  or  CLIPBOARD  for
                         SELECT  tokens  in  the  translations resource which maps
                         keyboard and mouse actions to select/paste actions.  This
                         corresponds  to the selectToClipboard resource.  There is
                         no corresponding command-line option.
    
                  Enable Visual Bell (visualbell)
                         Enable (or disable) visible bell (i.e., flashing) instead
                         of  an  audible bell.  This corresponds to the -vb option
                         and the visualBell resource.
    
                  Enable Bell Urgency (bellIsUrgent)
                         Enable (or disable) Urgency window manager hint when Con-
                         trol-G is received.  This corresponds to the bellIsUrgent
                         resource.
    
                  Enable Pop on Bell (poponbell)
                         Enable (or disable) raising of the window when  Control-G
                         is received.  This corresponds to the -pop option and the
                         popOnBell resource.
    
                  Enable Blinking Cursor (cursorblink)
                         Enable (or disable) the  blinking-cursor  feature.   This
                         corresponds   to  the  -bc  option  and  the  cursorBlink
                         resource.  There is also an escape sequence (see the doc-
                         ument  Xterm  Control Sequences).  The menu entry and the
                         escape sequence states are XOR'd: if  both  are  enabled,
    
                  Do Soft Reset (softreset)
                         Reset scroll regions.  This can be convenient  when  some
                         program  has  left  the  scroll  regions  set incorrectly
                         (often a problem when using VMS or TOPS-20).  This corre-
                         sponds to the VT220 DECSTR control sequence.
    
                  Do Full Reset (hardreset)
                         The full reset entry will clear the screen, reset tabs to
                         every eight columns, and reset the terminal  modes  (such
                         as  wrap  and smooth scroll) to their initial states just
                         after xterm has  finished  processing  the  command  line
                         options.   This  corresponds  to  the  VT102  RIS control
                         sequence, with a few obvious differences.   For  example,
                         your  session  is  not disconnected as a real VT102 would
                         do.
    
                  Reset and Clear Saved Lines (clearsavedlines)
                         Perform a full reset, and also clear the saved lines.
    
           Commands for setting the current screen:
    
                  Show Tek Window (tekshow)
                         When enabled, pops the Tektronix 4014 window up (makes it
                         visible).   When  disabled, hides the Tektronix 4014 win-
                         dow.
    
                  Switch to Tek Mode (tekmode)
                         When enabled, pops the Tektronix 4014 window up if it  is
                         not  already  visible,  and  switches the input stream to
                         that window.  When disabled,  hides  the  Tektronix  4014
                         window and switches input back to the VTxxx window.
    
                  Hide VT Window (vthide)
                         When enabled, hides the VTxxx window, shows the Tektronix
                         4014 window if it was not already  visible  and  switches
                         the  input  stream  to that window.  When disabled, shows
                         the VTxxx window, and switches the input stream  to  that
                         window.
    
                  Show Alternate Screen (altscreen)
                         When enabled, shows the alternate screen.  When disabled,
                         shows the normal screen.  Note that the normal screen may
                         have saved lines; the alternate screen does not.
    
       VT Fonts
           The  fontMenu  pops  up  when when the "control" key and pointer button
           three are pressed in a window.  It sets the font used in the VT102 win-
           dow, or modifies the way the font is specified or displayed.  There are
           several sections.
    
           The first section allows you to select the font from a set of  alterna-
    
                  Medium (font4)
                         Set  the font to that given by the *VT100.font4 resource.
    
                  Large (font5)
                         Set the font to that given by the *VT100.font5  resource.
    
                  Huge (font6)
                         Set  the font to that given by the *VT100.font6 resource.
    
                  Escape Sequence
                         This allows you to set the font last specified by the Set
                         Font  escape  sequence  (see  the  document Xterm Control
                         Sequences).
    
                  Selection (fontsel)
                         This allows you to set the  font  specified  the  current
                         selection  as  a  font  name (if the PRIMARY selection is
                         owned).
    
           The second section allows you to modify the way it is displayed:
    
                  Bold Fonts
                         This is  normally  checked  (enabled).   When  unchecked,
                         xterm  will  not use bold fonts.  The setting corresponds
                         to the allowBoldFonts resource.
    
                  Line-Drawing Characters (font-linedrawing)
                         When set, tells xterm to draw its own line-drawing  char-
                         acters.   Otherwise  it  relies  on  the  font containing
                         these.  Compare to the forceBoxChars resource.
    
                  Packed Font (font-packed)
                         When set, tells xterm to use the minimum glyph-width from
                         a font when displaying characters.  Use the maximum width
                         (unchecked) to help display proportional fonts.   Compare
                         to the forcePackedFont resource.
    
                  Doublesized Characters (font-doublesize)
                         When set, xterm may ask the font server to produce scaled
                         versions of the normal font, for VT102 double-size  char-
                         acters.
    
           The third section allows you to modify the way it is specified:
    
                  TrueType Fonts (render-font)
                         If  the  renderFont and corresponding resources were set,
                         this is a further control whether xterm will actually use
                         the Xft library calls to obtain a font.
    
                  UTF-8 Encoding (utf8-mode)
                         This  controls  whether  xterm  uses  UTF-8  encoding  of
                         resource.
    
                         Initially the checkmark is set according to both the utf8
                         and utf8Fonts resource values.  If the latter is  set  to
                         "always",  the checkmark is disabled.  Likewise, if there
                         are no fonts given in the  utf8Fonts  subresources,  then
                         the checkmark also is disabled.
    
                         The standard XTerm app-defaults file defines both sets of
                         fonts, while the UXTerm app-defaults  file  defines  only
                         one  set.  assuming the standard app-defaults files, this
                         command will launch xterm able to  switch  between  UTF-8
                         and ISO-8859-1 encoded fonts:
    
                             uxterm -class XTerm
    
           The  fourth  section allows you to enable or disable special operations
           which can be controlled by writing escape sequences  to  the  terminal.
           These are disabled if the SendEvents feature is enabled:
    
                  Allow Color Ops (allow-font-ops)
                         This  corresponds  to the allowColorOps resource.  Enable
                         or disable control sequences that set/query the colors.
    
                  Allow Font Ops (allow-font-ops)
                         This corresponds to the allowFontOps resource.  Enable or
                         disable control sequences that set/query the font.
    
                  Allow Tcap Ops (allow-tcap-ops)
                         Enable or disable control sequences that query the termi-
                         nal's notion of its function-key strings, as  termcap  or
                         terminfo  capabilities.   This corresponds to the allowT-
                         capOps resource.
    
                  Allow Title Ops (allow-title-ops)
                         Enable or disable control sequences that modify the  win-
                         dow title or icon name.  This corresponds to the allowTi-
                         tleOps resource.
    
                  Allow Window Ops (allow-window-ops)
                         Enable or disable extended window control  sequences  (as
                         used  in dtterm).  This corresponds to the allowWindowOps
                         resource.
    
       TEK Options
           The tekMenu sets various modes  in  the  Tektronix  emulation,  and  is
           popped  up when the "control" key and pointer button two are pressed in
           the Tektronix window.  The current font size is checked  in  the  modes
           section of the menu.
    
                  Large Characters (tektextlarge)
                  COPY (tekcopy)
    
           Windows:
    
                  Show VT Window (vtshow)
    
                  Switch to VT Mode (vtmode)
    
                  Hide Tek Window (tekhide)
    
    
    

    SECURITY

           X  environments  differ in their security consciousness.  Most servers,
           run under xdm, are capable of  using  a  "magic  cookie"  authorization
           scheme that can provide a reasonable level of security for many people.
           If your server is only using a host-based mechanism to  control  access
           to  the server (see xhost(1)), then if you enable access for a host and
           other users are also permitted to run clients on that same host, it  is
           possible  that someone can run an application which uses the basic ser-
           vices of the X protocol to snoop on your activities,  potentially  cap-
           turing  a  transcript of everything you type at the keyboard.  Any pro-
           cess which has access to your X display can manipulate it in ways  that
           you  might not anticipate, even redirecting your keyboard to itself and
           sending events to your application's windows.  This is true  even  with
           the  "magic  cookie"  authorization  scheme.  While the allowSendEvents
           provides some protection against rogue applications tampering with your
           programs, guarding against a snooper is harder.
    
           The  possibility of an application spying on your keystrokes is of par-
           ticular concern when you want to type in a password or other  sensitive
           data.   The best solution to this problem is to use a better authoriza-
           tion mechanism than is provided by X.  Given all of  these  caveats,  a
           simple mechanism exists for protecting keyboard input in xterm.
    
           The  xterm  menu  (see  MENUS  above)  contains a Secure Keyboard entry
           which, when enabled, attempts to ensure  that  all  keyboard  input  is
           directed only to xterm (using the GrabKeyboard protocol request).  When
           an application prompts you for a password (or  other  sensitive  data),
           you  can  enable  Secure Keyboard using the menu, type in the data, and
           then disable Secure Keyboard using the menu again.  This  ensures  that
           you  know  which window is accepting your keystrokes.  It cannot ensure
           that there are no processes which have access to your  X  display  that
           might be observing the keystrokes as well.
    
           Only  one X client at a time can grab the keyboard, so when you attempt
           to enable Secure Keyboard it may fail.  In this  case,  the  bell  will
           sound.   If the Secure Keyboard succeeds, the foreground and background
           colors will be exchanged (as if you selected the Reverse Video entry in
           the  Modes  menu);  they  will  be exchanged again when you exit secure
           mode.  If the colors do not switch, then you should be very  suspicious
           that  you  are  being spoofed.  If the application you are running dis-
           plays a prompt before asking for the password, it is  safest  to  enter
           secure mode before the prompt gets displayed, and to make sure that the
           clicking) causes all characters of the same class (e.g., letters, white
           space, punctuation) to be selected as a "word".  Since different people
           have  different  preferences  for what should be selected (for example,
           should filenames be selected as a whole or only the separate subnames),
           the  default mapping can be overridden through the use of the charClass
           (class CharClass) resource.
    
           This resource is a series of comma-separated of range:value pairs.  The
           range is either a single number or low-high in the range of 0 to 65535,
           corresponding to the code for the character or characters  to  be  set.
           The  value  is arbitrary, although the default table uses the character
           number of the first character occurring in the set.  When not in  UTF-8
           mode, only the first 256 bytes of this table will be used.
    
           The default table starts as follows -
    
               static int charClass[256] = {
               /* NUL  SOH  STX  ETX  EOT  ENQ  ACK  BEL */
                   32,   1,   1,   1,   1,   1,   1,   1,
               /*  BS   HT   NL   VT   NP   CR   SO   SI */
                    1,  32,   1,   1,   1,   1,   1,   1,
               /* DLE  DC1  DC2  DC3  DC4  NAK  SYN  ETB */
                    1,   1,   1,   1,   1,   1,   1,   1,
               /* CAN   EM  SUB  ESC   FS   GS   RS   US */
                    1,   1,   1,   1,   1,   1,   1,   1,
               /*  SP    !    "    #    $    %    &    ' */
                   32,  33,  34,  35,  36,  37,  38,  39,
               /*   (    )    *    +    ,    -    .    / */
                   40,  41,  42,  43,  44,  45,  46,  47,
               /*   0    1    2    3    4    5    6    7 */
                   48,  48,  48,  48,  48,  48,  48,  48,
               /*   8    9    :    ;    <    =    >    ? */
                   48,  48,  58,  59,  60,  61,  62,  63,
               /*   @    A    B    C    D    E    F    G */
                   64,  48,  48,  48,  48,  48,  48,  48,
               /*   H    I    J    K    L    M    N    O */
                   48,  48,  48,  48,  48,  48,  48,  48,
               /*   P    Q    R    S    T    U    V    W */
                   48,  48,  48,  48,  48,  48,  48,  48,
               /*   X    Y    Z    [    \    ]    ^    _ */
                   48,  48,  48,  91,  92,  93,  94,  48,
               /*   '    a    b    c    d    e    f    g */
                   96,  48,  48,  48,  48,  48,  48,  48,
               /*   h    i    j    k    l    m    n    o */
                   48,  48,  48,  48,  48,  48,  48,  48,
               /*   p    q    r    s    t    u    v    w */
                   48,  48,  48,  48,  48,  48,  48,  48,
               /*   x    y    z    {    |    }    ~  DEL */
                   48,  48,  48, 123, 124, 125, 126,   1,
               /* x80  x81  x82  x83  IND  NEL  SSA  ESA */
                    1,   1,   1,   1,   1,   1,   1,   1,
               /* HTS  HTJ  VTS  PLD  PLU   RI  SS2  SS3 */
                   48,  48,  48,  48,  48,  48,  48,  48,
               /*  E'   E'   E^   E:   I'   I'   I^   I: */
                   48,  48,  48,  48,  48,  48,  48,  48,
               /*  D-   N~   O'   O'   O^   O~   O:    X */
                   48,  48,  48,  48,  48,  48,  48, 215,
               /*  O/   U'   U'   U^   U:   Y'    P    B */
                   48,  48,  48,  48,  48,  48,  48,  48,
               /*  a'   a'   a^   a~   a:   ao   ae   c, */
                   48,  48,  48,  48,  48,  48,  48,  48,
               /*  e'   e'   e^   e:    i'  i'   i^   i: */
                   48,  48,  48,  48,  48,  48,  48,  48,
               /*   d   n~   o'   o'   o^   o~   o:   -: */
                   48,  48,  48,  48,  48,  48,  48, 247,
               /*  o/   u'   u'   u^   u:   y'    P   y: */
                   48,  48,  48,  48,  48,  48,  48,  48};
    
           For example, the string "33:48,37:48,45-47:48,38:48" indicates that the
           exclamation mark, percent sign,  dash,  period,  slash,  and  ampersand
           characters  should  be  treated the same way as characters and numbers.
           This is useful for cutting and pasting electronic mailing addresses and
           filenames.
    
    
    

    ACTIONS

           It  is  possible  to  rebind  keys  (or sequences of keys) to arbitrary
           strings for input, by changing the translations resources for the vt100
           or  tek4014  widgets.   Changing  the  translations resource for events
           other than key and button events is not expected, and will cause unpre-
           dictable  behavior.   The following actions are provided for use within
           the vt100 or tek4014 translations resources:
    
           allow-color-ops(on/off/toggle)
                   This action set or toggles the allowColorOps  resource  and  is
                   also invoked by the allow-color-ops entry in fontMenu.
    
           allow-font-ops(on/off/toggle)
                   This  action  set  or  toggles the allowFontOps resource and is
                   also invoked by the allow-font-ops entry in fontMenu.
    
           allow-send-events(on/off/toggle)
                   This action set or toggles the allowSendEvents resource and  is
                   also invoked by the allowsends entry in mainMenu.
    
           allow-tcap-ops(on/off/toggle)
                   This  action  set  or  toggles the allowTcapOps resource and is
                   also invoked by the allow-tcap-ops entry in fontMenu.
    
           allow-title-ops(on/off/toggle)
                   This action set or toggles the allowTitleOps  resource  and  is
                   also invoked by the allow-title-ops entry in fontMenu.
    
           allow-window-ops(on/off/toggle)
                   This  action  set or toggles the allowWindowOps resource and is
    
           copy-selection(destname [, ...])
                   This action puts the currently selected text into  all  of  the
                   selections or cutbuffers specified by destname.  Unlike select-
                   end, it does not send a mouse position or otherwise modify  the
                   internal selection state.
    
           create-menu(m/v/f/t)
                   This  action  creates one of the menus used by xterm, if it has
                   not been previously created.  The parameter values are the menu
                   names: mainMenu, vtMenu, fontMenu, tekMenu, respectively.
    
           dabbrev-expand()
                   Expands  the  word  before cursor by searching in the preceding
                   text on the screen and  in  the  scrollback  buffer  for  words
                   starting  with  that  abbreviation.  Repeating dabbrev-expand()
                   several times in sequence searches for an alternative expansion
                   by looking farther back.  Lack of more matches is signaled by a
                   beep().  Attempts to expand an empty word (i.e., when cursor is
                   preceded  by  a  space)  yield successively all previous words.
                   Consecutive identical expansions are ignored.  The word here is
                   defined  as a sequence of non-whitespace characters.  This fea-
                   ture partially emulates the behavior of "dynamic  abbreviation"
                   expansion  in  Emacs  (bound there to M-/).  Here is a resource
                   setting for xterm which will do the same thing:
    
                       *VT100*translations:    #override \n\
                               Meta <KeyPress> /:dabbrev-expand()
    
           deiconify()
                   Changes the window state back to normal, if it was iconified.
    
           delete-is-del()
                   This action toggles the state of the deleteIsDEL resource.
    
           dired-button()
                   Handles a button event (other than press and release) by  echo-
                   ing  the  event's position (i.e., character line and column) in
                   the following format:
    
                           ^X ESC G <line+" "> <col+" ">
    
           fullscreen()
                   Asks the window manager to change the window to full-screen.
    
           iconify()
                   Iconifies the window.
    
           hard-reset()
                   This action resets the scrolling region, tabs, window size, and
                   cursor keys and clears the screen.  It is also invoked from the
                   on  the  value  of  the  metaSendsEscape  and the eightBitInput
                   resources.  The metaSendsEscape resource is tested first.
    
                   The term "eight-bit" is misleading: xterm checks if  the  key's
                   value  is  less  than 128.  If so, xterm adds 128 to the value,
                   setting its eighth bit.  Otherwise  xterm  sends  an  ESC  byte
                   before  the key.  In other applications' documentation, that is
                   referred to as a "meta key".
    
           insert-selection(sourcename [, ...])
                   This action inserts the string found in the selection  or  cut-
                   buffer  indicated  by  sourcename.   Sources are checked in the
                   order given (case is significant) until  one  is  found.   Com-
                   monly-used  selections  include:  PRIMARY, SECONDARY, and CLIP-
                   BOARD.  Cut buffers are  typically  named  CUT_BUFFER0  through
                   CUT_BUFFER7.
    
           insert-seven-bit()
                   This  action  is a synonym for insert() The term "seven-bit" is
                   misleading: it only implies that xterm does not try to add  128
                   to the key's value as in insert-eight-bit().
    
           interpret(control-sequence)
                   Interpret  the  given  control  sequence locally, i.e., without
                   passing it to the host.  This works by  inserting  the  control
                   sequence  at  the front of the input buffer.  Use "\" to escape
                   octal digits in the string.  Xt does not allow  you  to  put  a
                   null character (i.e., "\000") in the string.
    
           keymap(name)
                   This  action  dynamically defines a new translation table whose
                   resource name is name with the suffix Keymap (case is  signifi-
                   cant).   The name None restores the original translation table.
    
           larger-vt-font()
                   Set the font to the next larger one, based on the  font  dimen-
                   sions.  See also set-vt-font().
    
           load-vt-fonts(name[,class])
                   Load fontnames from the given subresource name and class.  That
                   is, load the "*VT100.name.font", resource as "*VT100.font" etc.
                   If no name is given, the original set of fontnames is restored.
    
                   Unlike set-vt-font(), this does  not  affect  the  escape-  and
                   select-fonts, since those are not based on resource values.  It
                   does affect the fonts loosely  organized  under  the  "Default"
                   menu  entry,  including  font, boldFont, wideFont and wideBold-
                   Font.
    
           maximize()
                   Resizes the window to fill the screen.
    
                   ignoring case:
    
                   noFormFeed
                        no form feed will be sent at the  end  of  the  last  line
                        printed (i.e., printerFormFeed is ''false'').
    
                   FormFeed
                        a  form  feed  will  be  sent  at the end of the last line
                        printed (i.e., printerFormFeed is ''true'').
    
                   noNewLine
                        no newline will be sent  at  the  end  of  the  last  line
                        printed,  and  wrapped  lines  will  be combined into long
                        lines (i.e., printerNewLine is ''false'').
    
                   NewLine
                        a newline will be  sent  at  the  end  of  the  last  line
                        printed,  and  each line will be limited (by adding a new-
                        line)  to  the  screen  width  (i.e.,  printerNewLine   is
                        ''true'').
    
                   noAttrs
                        the  page  is  printed  without attributes (i.e., printAt-
                        tributes is ''0'').
    
                   monoAttrs
                        the page is printed  with  monochrome  (vt220)  attributes
                        (i.e., printAttributes is ''1'').
    
                   colorAttrs
                        the  page  is  printed  with  ANSI color attributes (i.e.,
                        printAttributes is ''2'').
    
           print-everything(printer-flags)
                   This action sends the entire text history, in addition  to  the
                   text currently visible, to the program given in the printerCom-
                   mand resource.  It allows the same optional parameters  as  the
                   print  action.  With a suitable printer command, the action can
                   be used to load the text history in an editor.
    
           print-immediate()
                   Sends the text of the current window directly  to  a  file,  as
                   specified  by  the  printFileImmediate,  printModeImmediate and
                   printOptsImmediate resources.
    
           print-on-error()
                   Toggles a flag telling xterm that if it exits with an X  error,
                   to  send  the text of the current window directly to a file, as
                   specified by the printFileXError, printModeXError and printOpt-
                   sXError resources.
    
           print-redir()
           redraw()
                   This action redraws the window  and  is  also  invoked  by  the
                   redraw entry in mainMenu.
    
           restore()
                   Restores the window to the size before it was last maximized.
    
           scroll-back(count [,units [,mouse] ])
                   This  action scrolls the text window backward so that text that
                   had previously scrolled off the top of the screen is now  visi-
                   ble.
    
                   The  count argument indicates the number of units (which may be
                   page, halfpage, pixel, or line) by which to scroll.
    
                   An adjustment can be specified for these values by appending  a
                   "+" or "-" sign followed by a number, e.g., page-2 to specify 2
                   lines less than a page.
    
                   If the third parameter mouse is given, the  action  is  ignored
                   when mouse reporting is enabled.
    
           scroll-forw(count [,units [,mouse] ])
                   This action is similar to scroll-back except that it scrolls in
                   the other direction.
    
           secure()
                   This action toggles the Secure Keyboard mode described  in  the
                   section named SECURITY, and is invoked from the securekbd entry
                   in mainMenu.
    
           scroll-lock(on/off/toggle)
                   This action toggles internal state which  tells  xterm  whether
                   Scroll Lock is active, subject to the allowScrollLock resource.
    
           select-cursor-end(destname [, ...])
                   This action is similar to select-end except that it  should  be
                   used with select-cursor-start.
    
           select-cursor-extend()
                   This  action  is similar to select-extend except that it should
                   be used with select-cursor-start.
    
           select-cursor-start()
                   This action is similar to select-start except  that  it  begins
                   the selection at the current text cursor position.
    
           select-end(destname [, ...])
                   This  action  puts  the currently selected text into all of the
                   selections or cutbuffers specified by destname.  It also  sends
                   a  mouse  position  and updates the internal selection state to
                   reflect the end of the selection process.
    
           send-signal(signame)
                   This action sends the signal named by signame to the xterm sub-
                   process  (the  shell  or  program specified with the -e command
                   line option) and is also  invoked  by  the  suspend,  continue,
                   interrupt,  hangup,  terminate,  and  kill entries in mainMenu.
                   Allowable signal names are (case is not significant): tstp  (if
                   supported  by  the  operating  system), suspend (same as tstp),
                   cont (if supported by the operating system),  int,  hup,  term,
                   quit, alrm, alarm (same as alrm) and kill.
    
           set-8-bit-control(on/off/toggle)
                   This  action  toggles  the eightBitControl resource and is also
                   invoked from the 8-bit-control entry in vtMenu.
    
           set-allow132(on/off/toggle)
                   This action toggles the c132 resource and is also invoked  from
                   the allow132 entry in vtMenu.
    
           set-altscreen(on/off/toggle)
                   This  action toggles between the alternate and current screens.
    
           set-appcursor(on/off/toggle)
                   This action toggles the handling Application  Cursor  Key  mode
                   and is also invoked by the appcursor entry in vtMenu.
    
           set-appkeypad(on/off/toggle)
                   This action toggles the handling of Application Keypad mode and
                   is also invoked by the appkeypad entry in vtMenu.
    
           set-autolinefeed(on/off/toggle)
                   This action toggles automatic insertion  of  linefeeds  and  is
                   also invoked by the autolinefeed entry in vtMenu.
    
           set-autowrap(on/off/toggle)
                   This  action  toggles  automatic  wrapping of long lines and is
                   also invoked by the autowrap entry in vtMenu.
    
           set-backarrow(on/off/toggle)
                   This action toggles  the  backarrowKey  resource  and  is  also
                   invoked from the backarrow key entry in vtMenu.
    
           set-bellIsUrgent(on/off/toggle)
                   This  action  toggles  the  bellIsUrgent  resource  and is also
                   invoked by the bellIsUrgent entry in vtMenu.
    
           set-cursorblink(on/off/toggle)
                   This action  toggles  the  cursorBlink  resource  and  is  also
                   invoked from the cursorblink entry in vtMenu.
    
           set-cursesemul(on/off/toggle)
                   This  action  toggles  the  curses resource and is also invoked
                   from the cursesemul entry in vtMenu.
                   This  action  toggles  the  xterm's state regarding whether the
                   current font has line-drawing characters and whether it  should
                   draw them directly.  It is also invoked by the font-linedrawing
                   entry in fontMenu.
    
           set-font-packed(on/off/toggle)
                   This action toggles the forcePackedFont's resource  which  con-
                   trols  use of the font's minimum or maximum glyph width.  It is
                   also invoked by the font-packed entry in fontMenu.
    
           set-keep-selection(on/off/toggle)
                   This action toggles the  keepSelection  resource  and  is  also
                   invoked by the keepSelection entry in vtMenu.
    
           set-logging()
                   This action toggles the state of the logging option.
    
           set-old-function-keys(on/off/toggle)
                   This  action  toggles  the state of legacy function keys and is
                   also invoked by the oldFunctionKeys entry in mainMenu.
    
           set-marginbell(on/off/toggle)
                   This action toggles the marginBell resource.
    
           set-num-lock()
                   This action toggles the state of the numLock resource.
    
           set-pop-on-bell(on/off/toggle)
                   This action toggles the popOnBell resource and is also  invoked
                   by the poponbell entry in vtMenu.
    
           set-render-font(on/off/toggle)
                   This action toggles the renderFont resource and is also invoked
                   by the render-font entry in fontMenu.
    
           set-reverse-video(on/off/toggle)
                   This action toggles  the  reverseVideo  resource  and  is  also
                   invoked by the reversevideo entry in vtMenu.
    
           set-reversewrap(on/off/toggle)
                   This  action  toggles  the  reverseWrap  resource  and  is also
                   invoked by the reversewrap entry in vtMenu.
    
           set-scroll-on-key(on/off/toggle)
                   This action toggles the scrollKey resource and is also  invoked
                   from the scrollkey entry in vtMenu.
    
           set-scroll-on-tty-output(on/off/toggle)
                   This  action  toggles  the scrollTtyOutput resource and is also
                   invoked from the scrollttyoutput entry in vtMenu.
    
           set-scrollbar(on/off/toggle)
    
           set-sun-keyboard(on/off/toggle)
                   This action  toggles  the  sunKeyboard  resource  and  is  also
                   invoked by the sunKeyboard entry in mainMenu.
    
           set-tek-text(large/2/3/small)
                   This action sets font used in the Tektronix window to the value
                   of the resources tektextlarge,  tektext2,  tektext3,  and  tek-
                   textsmall according to the argument.  It is also invoked by the
                   entries of the same names as the resources in tekMenu.
    
           set-terminal-type(type)
                   This action directs output to either the  vt  or  tek  windows,
                   according  to  the type string.  It is also invoked by the tek-
                   mode entry in vtMenu and the vtmode entry in tekMenu.
    
           set-titeInhibit(on/off/toggle)
                   This action toggles the titeInhibit  resource,  which  controls
                   switching between the alternate and current screens.
    
           set-toolbar(on/off/toggle)
                   This  action toggles the toolbar feature and is also invoked by
                   the toolbar entry in mainMenu.
    
           set-utf8-mode(on/off/toggle)
                   This action toggles the utf8 resource and is  also  invoked  by
                   the utf8-mode entry in fontMenu.
    
           set-utf8-title(on/off/toggle)
                   This  action toggles the utf8Title resource and is also invoked
                   by the utf8-title entry in fontMenu.
    
           set-visibility(vt/tek,on/off/toggle)
                   This action controls whether or not the vt or tek  windows  are
                   visible.   It  is  also  invoked  from  the  tekshow and vthide
                   entries in vtMenu and the vtshow and tekhide  entries  in  tek-
                   Menu.
    
           set-visual-bell(on/off/toggle)
                   This action toggles the visualBell resource and is also invoked
                   by the visualbell entry in vtMenu.
    
           set-vt-font(d/1/2/3/4/5/6/e/s [,normalfont [, boldfont]])
                   This action sets the font or fonts currently being used in  the
                   VT102  window.   The  first argument is a single character that
                   specifies the font to be used:
    
                   d or D indicate the default font (the font initially used  when
                          xterm was started),
    
                   1  through  6 indicate the fonts specified by the font1 through
                          font6 resources,
    
                   sions.  See also set-vt-font().
    
           soft-reset()
                   This action resets the scrolling region  and  is  also  invoked
                   from the softreset entry in vtMenu.  The effect is identical to
                   a soft reset (DECSTR) control sequence.
    
           spawn-new-terminal(params)
                   Spawn a new xterm process.  This is available on systems  which
                   have a modern version of the process filesystem, e.g., "/proc",
                   which xterm can read.
    
                   Use the "cwd" process entry, e.g.,  /proc/12345/cwd  to  obtain
                   the  working  directory  of the process which is running in the
                   current xterm.
    
                   On  systems  which  have  the  "exe"   process   entry,   e.g.,
                   /proc/12345/exe,  use  this  to  obtain  the actual executable.
                   Otherwise, use the $PATH variable to find xterm.
    
                   If parameters are given in the action, pass  them  to  the  new
                   xterm process.
    
           start-extend()
                   This  action  is similar to select-start except that the selec-
                   tion is extended to the current pointer location.
    
           start-cursor-extend()
                   This action is similar to select-extend except that the  selec-
                   tion is extended to the current text cursor position.
    
           string(string)
                   This action inserts the specified text string as if it had been
                   typed.  Quotation is necessary if the string  contains  whites-
                   pace  or  non-alphanumeric  characters.  If the string argument
                   begins with the characters "0x", it is  interpreted  as  a  hex
                   character constant.
    
           tek-copy()
                   This  action  copies the escape codes used to generate the cur-
                   rent window contents to a file in the current directory  begin-
                   ning  with  the name COPY.  It is also invoked from the tekcopy
                   entry in tekMenu.
    
           tek-page()
                   This action clears the Tektronix window and is also invoked  by
                   the tekpage entry in tekMenu.
    
           tek-reset()
                   This  action resets the Tektronix window and is also invoked by
                   the tekreset entry in tekMenu.
    
    
           visual-bell()
                   This action flashes the window quickly.
    
           The Tektronix window also has the following action:
    
           gin-press(l/L/m/M/r/R)
                   This action sends the indicated graphics input code.
    
           The default bindings in the VT102 window use the SELECT token, which is
           set by the selectToClipboard resource:
    
                         Shift <KeyPress> Prior:scroll-back(1,halfpage) \n\
                          Shift <KeyPress> Next:scroll-forw(1,halfpage) \n\
                        Shift <KeyPress> Select:select-cursor-start() \
                                                select-cursor-end(SELECT, CUT_BUFFER0) \n\
                        Shift <KeyPress> Insert:insert-selection(SELECT, CUT_BUFFER0) \n\
                                Alt <Key>Return:fullscreen() \n\
                       <KeyRelease> Scroll_Lock:scroll-lock() \n\
                   Shift~Ctrl <KeyPress> KP_Add:larger-vt-font() \n\
                   Shift Ctrl <KeyPress> KP_Add:smaller-vt-font() \n\
                   Shift <KeyPress> KP_Subtract:smaller-vt-font() \n\
                               ~Meta <KeyPress>:insert-seven-bit() \n\
                                Meta <KeyPress>:insert-eight-bit() \n\
                               !Ctrl <Btn1Down>:popup-menu(mainMenu) \n\
                          !Lock Ctrl <Btn1Down>:popup-menu(mainMenu) \n\
                !Lock Ctrl @Num_Lock <Btn1Down>:popup-menu(mainMenu) \n\
                    ! @Num_Lock Ctrl <Btn1Down>:popup-menu(mainMenu) \n\
                               ~Meta <Btn1Down>:select-start() \n\
                             ~Meta <Btn1Motion>:select-extend() \n\
                               !Ctrl <Btn2Down>:popup-menu(vtMenu) \n\
                          !Lock Ctrl <Btn2Down>:popup-menu(vtMenu) \n\
                !Lock Ctrl @Num_Lock <Btn2Down>:popup-menu(vtMenu) \n\
                    ! @Num_Lock Ctrl <Btn2Down>:popup-menu(vtMenu) \n\
                         ~Ctrl ~Meta <Btn2Down>:ignore() \n\
                                Meta <Btn2Down>:clear-saved-lines() \n\
                           ~Ctrl ~Meta <Btn2Up>:insert-selection(SELECT, CUT_BUFFER0) \n\
                               !Ctrl <Btn3Down>:popup-menu(fontMenu) \n\
                          !Lock Ctrl <Btn3Down>:popup-menu(fontMenu) \n\
                !Lock Ctrl @Num_Lock <Btn3Down>:popup-menu(fontMenu) \n\
                    ! @Num_Lock Ctrl <Btn3Down>:popup-menu(fontMenu) \n\
                         ~Ctrl ~Meta <Btn3Down>:start-extend() \n\
                             ~Meta <Btn3Motion>:select-extend() \n\
                                Ctrl <Btn4Down>:scroll-back(1,halfpage,m) \n\
                           Lock Ctrl <Btn4Down>:scroll-back(1,halfpage,m) \n\
                 Lock @Num_Lock Ctrl <Btn4Down>:scroll-back(1,halfpage,m) \n\
                      @Num_Lock Ctrl <Btn4Down>:scroll-back(1,halfpage,m) \n\
                                     <Btn4Down>:scroll-back(5,line,m)     \n\
                                Ctrl <Btn5Down>:scroll-forw(1,halfpage,m) \n\
                           Lock Ctrl <Btn5Down>:scroll-forw(1,halfpage,m) \n\
                 Lock @Num_Lock Ctrl <Btn5Down>:scroll-forw(1,halfpage,m) \n\
                      @Num_Lock Ctrl <Btn5Down>:scroll-forw(1,halfpage,m) \n\
                                     <BtnUp>:    NotifyScroll(Proportional) EndScroll()
    
           The default bindings in the Tektronix window are:
    
                                ~Meta<KeyPress>: insert-seven-bit() \n\
                                 Meta<KeyPress>: insert-eight-bit() \n\
                               !Ctrl <Btn1Down>: popup-menu(mainMenu) \n\
                          !Lock Ctrl <Btn1Down>: popup-menu(mainMenu) \n\
                !Lock Ctrl @Num_Lock <Btn1Down>: popup-menu(mainMenu) \n\
                     !Ctrl @Num_Lock <Btn1Down>: popup-menu(mainMenu) \n\
                               !Ctrl <Btn2Down>: popup-menu(tekMenu) \n\
                          !Lock Ctrl <Btn2Down>: popup-menu(tekMenu) \n\
                !Lock Ctrl @Num_Lock <Btn2Down>: popup-menu(tekMenu) \n\
                     !Ctrl @Num_Lock <Btn2Down>: popup-menu(tekMenu) \n\
                          Shift ~Meta<Btn1Down>: gin-press(L) \n\
                                ~Meta<Btn1Down>: gin-press(l) \n\
                          Shift ~Meta<Btn2Down>: gin-press(M) \n\
                                ~Meta<Btn2Down>: gin-press(m) \n\
                          Shift ~Meta<Btn3Down>: gin-press(R) \n\
                                ~Meta<Btn3Down>: gin-press(r)
    
           Here is an example which uses shifted select/paste to copy to the clip-
           board,  and  unshifted select/paste for the primary selection.  In each
           case, a (different) cut buffer is  also  a  target  or  source  of  the
           select/paste  operation.  It is important to remember however, that cut
           buffers store data in ISO-8859-1 encoding, while selections  can  store
           data  in  a  variety  of  formats  and encodings.  While xterm owns the
           selection, it highlights it.  When it loses the selection,  it  removes
           the  corresponding  highlight.  But you can still paste from the corre-
           sponding cut buffer.
    
               *VT100*translations:    #override \n\
                   ~Shift~Ctrl<Btn2Up>: insert-selection(PRIMARY, CUT_BUFFER0) \n\
                   Shift~Ctrl<Btn2Up>:  insert-selection(CLIPBOARD, CUT_BUFFER1) \n\
                   ~Shift<BtnUp>:       select-end(PRIMARY, CUT_BUFFER0) \n\
                   Shift<BtnUp>:        select-end(CLIPBOARD, CUT_BUFFER1)
    
           Below is a sample how of the keymap() action is  used  to  add  special
           keys for entering commonly-typed works:
    
               *VT100.Translations: #override <Key>F13: keymap(dbx)
               *VT100.dbxKeymap.translations: \
                    <Key>F14: keymap(None) \n\
                    <Key>F17: string("next") string(0x0d) \n\
                    <Key>F18: string("step") string(0x0d) \n\
                    <Key>F19: string("continue") string(0x0d) \n\
                    <Key>F20: string("print ") insert-selection(PRIMARY, CUT_BUFFER0)
    
           an application can send xterm to make it  perform  various  operations.
           Most  of these operations are standardized, from either the DEC or Tek-
           tronix terminals, or from more widely used standards such as  ISO-6429.
    
    
    

    ENVIRONMENT

           Xterm sets several environment variables:
    
           DISPLAY
                is  the  display name, pointing to the X server (see DISPLAY NAMES
                in X(7)).
    
           TERM is set according to the termcap (or terminfo) entry  which  it  is
                using as a reference.
    
           WINDOWID
                is set to the X window id number of the xterm window.
    
           XTERM_LOCALE
                shows  the  locale which was used by xterm on startup.  Some shell
                initialization scripts may set a different locale.
    
           XTERM_SHELL
                is set to the pathname of the program which is  invoked.   Usually
                that is a shell program, e.g., /bin/sh.  Since it is not necessar-
                ily a shell program however, it is distinct from "SHELL".
    
           XTERM_VERSION
                is set to the string displayed by the -version  option.   That  is
                normally  an  identifier  for the X Window libraries used to build
                xterm, followed by xterm's patch number in parenthesis.  The patch
                number  is  also  part  of  the  response  to  a  Secondary Device
                Attributes (DA) control sequence (see Xterm Control Sequences).
    
           Depending on your system configuration, xterm may also set the  follow-
           ing:
    
           COLUMNS
                the width of the xterm in characters (cf: "stty columns").
    
           HOME when xterm is configured to update utmp.
    
           LINES
                the height of the xterm in characters (cf: "stty rows").
    
           LOGNAME
                when xterm is configured to update utmp.
    
           SHELL
                when  xterm  is  configured to update utmp.  It is also set if you
                provide the shell name as the optional parameter.
    
           TERMCAP
                the system logfile, which records user logins and logouts.
    
           /etc/X11/app-defaults/XTerm
                the xterm default application resources.
    
           /etc/X11/app-defaults/XTerm-color
                the  xterm  color application resources.  If your display supports
                color, use this
                          *customization: -color
                in your .Xdefaults file to automatically use  this  resource  file
                rather  than  /etc/X11/app-defaults/XTerm.  If you do not do this,
                xterm uses its compiled-in default resource settings for colors.
    
    
    

    ERROR MESSAGES

           Most of the fatal error messages from xterm use the following format:
                  xterm: Error XXX, errno YYY: ZZZ
           The XXX codes (which are used by xterm as  its  exit-code)  are  listed
           below, with a brief explanation.
    
           1    is  used  for  miscellaneous errors, usually accompanied by a spe-
                cific message,
    
           11   ERROR_FIONBIO
                main: ioctl() failed on FIONBIO
    
           12   ERROR_F_GETFL
                main: ioctl() failed on F_GETFL
    
           13   ERROR_F_SETFL
                main: ioctl() failed on F_SETFL
    
           14   ERROR_OPDEVTTY
                spawn: open() failed on /dev/tty
    
           15   ERROR_TIOCGETP
                spawn: ioctl() failed on TIOCGETP
    
           17   ERROR_PTSNAME
                spawn: ptsname() failed
    
           18   ERROR_OPPTSNAME
                spawn: open() failed on ptsname
    
           19   ERROR_PTEM
                spawn: ioctl() failed on I_PUSH/"ptem"
    
           20   ERROR_CONSEM
                spawn: ioctl() failed on I_PUSH/"consem"
    
           21   ERROR_LDTERM
                spawn: ioctl() failed on I_PUSH/"ldterm"
    
    
           27   ERROR_TIOCLSET
                spawn: ioctl() failed on TIOCLSET
    
           28   ERROR_INIGROUPS
                spawn: initgroups() failed
    
           29   ERROR_FORK
                spawn: fork() failed
    
           30   ERROR_EXEC
                spawn: exec() failed
    
           32   ERROR_PTYS
                get_pty: not enough ptys
    
           34   ERROR_PTY_EXEC
                waiting for initial map
    
           35   ERROR_SETUID
                spawn: setuid() failed
    
           36   ERROR_INIT
                spawn: can't initialize window
    
           46   ERROR_TIOCKSET
                spawn: ioctl() failed on TIOCKSET
    
           47   ERROR_TIOCKSETC
                spawn: ioctl() failed on TIOCKSETC
    
           49   ERROR_LUMALLOC
                luit: command-line malloc failed
    
           50   ERROR_SELECT
                in_put: select() failed
    
           54   ERROR_VINIT
                VTInit: can't initialize window
    
           57   ERROR_KMMALLOC1
                HandleKeymapChange: malloc failed
    
           60   ERROR_TSELECT
                Tinput: select() failed
    
           64   ERROR_TINIT
                TekInit: can't initialize window
    
           71   ERROR_BMALLOC2
                SaltTextAway: malloc() failed
    
    
           91   ERROR_SCALLOC2
                Alloc: calloc() failed on rows
    
           102  ERROR_SAVE_PTR
                ScrnPointers: malloc/realloc() failed
    
           121  ERROR_MMALLOC
                my_memmove: malloc/realloc failed
    
    
    

    BUGS

           Large pastes do not work on some systems.  This is not a bug in  xterm;
           it  is  a  bug  in  the pseudo terminal driver of those systems.  xterm
           feeds large pastes to the pty only as fast as the pty will accept data,
           but  some  pty  drivers do not return enough information to know if the
           write has succeeded.
    
           Many of the options are not resettable after xterm starts.
    
           This program still needs to be rewritten.  It should be split into very
           modular  sections, with the various emulators being completely separate
           widgets that do not know about each other.  Ideally, you'd like  to  be
           able  to  pick and choose emulator widgets and stick them into a single
           control widget.
    
           There needs to be a dialog box to allow entry  of  the  Tek  COPY  file
           name.
    
    
    

    SEE ALSO

           resize(1), luit(1), uxterm(1), X(7), pty(4), tty(4)
    
           Xterm Control Sequences (this is the file ctlseqs.ms).
    
           http://invisible-island.net/xterm/xterm.html
           http://invisible-island.net/xterm/ctlseqs/ctlseqs.html
    
    
    

    AUTHORS

           Far too many people, including:
    
           Loretta Guarino Reid (DEC-UEG-WSL), Joel McCormack (DEC-UEG-WSL), Terry
           Weissman (DEC-UEG-WSL), Edward Moy (Berkeley),  Ralph  R.  Swick  (MIT-
           Athena),  Mark  Vandevoorde  (MIT-Athena),  Bob McNamara (DEC-MAD), Jim
           Gettys (MIT-Athena), Bob Scheifler (MIT X Consortium), Doug Mink (SAO),
           Steve  Pitschke  (Stellar),  Ron Newman (MIT-Athena), Jim Fulton (MIT X
           Consortium), Dave Serisky (HP),  Jonathan  Kamens  (MIT-Athena),  Jason
           Bacon,  Stephen P. Wall, David Wexelblat, and Thomas Dickey (invisible-
           island.net).
    
                                    X Window System                       XTERM(1)
    
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