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           Version 3.2.4


           xfig [options] [file]


           Xfig  is a menu-driven tool that allows the user to draw and manipulate
           objects interactively under the X Window System.  It runs under X  ver-
           sion  11 release 4 or higher and requires a two- or three-button mouse.
           file specifies the name of a file to be edited.   The  objects  in  the
           file will be read at the start of xfig.
           The  bulk  of the documentation fori xfig is in an HTML-based reference
           guide.   See  the  Help  menu  in  xfig  or  point  your   browser   at
           Doc/html/index.html  (provided  with  the xfig distribution, usually in
           the Doc/www directory).  There are both English and Japanese  versions.
           When  using  a two-button mouse use the <Meta> key and the right button
           at the same time to effect the action of the middle button.
           Xfig is available from .
           The TransFig package is used when printing or exporting the output from
           xfig.   The  fig2dev program from the TransFig package is automatically
           called by xfig as a back-end processor to produce various types of out-
           LaTeX, Metafont, PostScript or Encapsulated PostScript, tk (tcl/tk tool
           command language/tool kit package), GIF, JPEG,  PCX,  PNG,  PPM,  TIFF,
           XBM,  XPM,  AutoCAD Slide, IBM-GL (HP/GL), Pic PiCTeX, box, epic, eepic
           and eepicemu.
           See man fig2dev for all options.
           The TransFig package is available from .


                  Print all command-line options for xfig and quit.
                  Allow panning into the negative region of the canvas.   This  is
                  the default
           -bal[loon_delay] msec
                  Cause popup information balloons to be delayed by msec millisec-
                  onds.  The default is 500 milliseconds.
           -bol[d] font
                  Cause the font used for displaying the file name  and  confirma-
                  tion messages to be font (default = 8x13bold).
                  Set the print option to print the figure centered on  the  page.
                  This is the default.
                  Make centimeters the unit of choice.  See also -metric.
           -cfg color
                  Use  color as the default color for objects.  If you want to set
                  the foreground of everything in xfig (e.g. menus, etc.) use  the
                  general -fg option.
                  Normally,  fig2dev  uses 1/80 inch for font size increments (for
                  historical reasons), instead of the more proper ''points'' (1/72
                  inch)  that xfig uses.  This option makes xfig call fig2dev with
                  the -F option to make it use points (1/72 inch).
                  Turn on debugging mode.  Prints various debugging messages  like
                  font names etc.
                  Choose  depth  of  visual desired.  Your server must support the
                  desired visual and depth chosen.  Use xdpyinfo to see what visu-
                  als and depths are supported.  See also the -visual option.
                  Don't allow panning into the negative region of the canvas.  The
                  default is to allow panning in the negative region.
                  Prevents xfig from popping up  the  information  balloons.   See
                  also -showballoons.
                  Don't  show  lengths  of lines as they are being drawn.  This is
                  the default.
                  Don't show axis zero lines on the canvas.   The  default  is  to
                  show them.
                  Prevents  xfig  from  switching  to  a private colormap if there
                  aren't enough colors available in  the  default  colormap.   See
                  also -max_image_colors.
           -enc[oding] encoding
                  Encode  character  set using encoding when exporting LaTeX text.
                  The default is 1.  This is used for  the  ISO-8859  encoding  of
                  character   sets.    Allowed  values  are  0  (no  encoding),  1
                  pictex            PiCTeX macros
                  hpl               HPGL (IBMGL)
                  eps               Encapuslated PostScript
                  eps_ascii         Encapuslated PostScript with ASCII preview
                  eps_mono_tiff     Encapuslated PostScript with monochrome binary (TIFF) preview
                  eps_color_tiff    Encapuslated PostScript with color binary (TIFF) preview
                  ps                PostScript
                  pdf               PDF (Portable Document Format)
                  pstex             Combined PS/LaTeX (both PS and LaTeX parts)
                  pdftex            Combined PDF/LaTeX (both PDF and LaTeX parts)
                  textyl            Textyl special commands
                  tpic              TPIC
                  pic               PIC
                  mf                MF (MetaFont)
                  mp                MP (MetaPost)
                  mmp               MMP (Multi-MetaPost)
                  cgm               CGM (Computer Graphics Meta file)
                  bcgm              Binary CGM (Computer Graphics Meta file)
                  emf               Enhanced Meta file)
                  tk                Tk (of the tcl/tk fame)
                  svg               SVG (Scalable Vector Graphics (XML variant))
                  Bitmap formats:
                  gif               GIF
                  jpeg              JPEG (JFIF)
                  pcx               PCX
                  png               PNG
                  ppm               PPM (portable pixmap package)
                  sld               (AutoCad slide)
                  tiff              TIFF
                  xbm               X11 Bitmap
                  xpm               X11 Pixmap (XPM3 package)
           -export_m[argin] width
                  Set  the size of the border margin around the figure for export-
                  ing to bitmap, PostScript, Encapsulated PostScript, or HTML  MAP
                  formats.  This is in units of pixels (1/80th inch).  The default
                  is 0.
                  Flip left/right mouse indicator messages for mice whose  buttons
                  have been switched.  The default is to NOT flip the messages.
                  Set  the  print  option  to  print  the  figure flush left.  The
                  default is to center the figure on the page.
           -free[hand_resolution] resolution
                  Set the resolution of the freehand drawing  mode  to  resolution
                  Encapsulated PostScript files.
           -grid_c[olor] color
                  Draw the grid on the canvas in this color (default: red).
           -grid_u[nit] unit
                  Only  used  when  in inches mode to choose between showing frac-
                  tions or decimal inches in the rulers and grid.  Any of the fol-
                  lowing may be used to force decimal inches: "ten", "tenth", "10,
                  "1/10".  If any other value is used for this option, the  rulers
                  will show 1/16 inch divisions.
                  Start xfig with the hidden text mode for text objects.  The Hid-
                  den attribute is used for figures that will be used  with  LaTeX
                  and  is  applicable only to the display of the document in xfig.
                  It means that the text itself is not shown  onscreen,  but  only
                  the  string ''<text>''.  This is to keep long sequences of LaTeX
                  formatting commands from making the screen  messy  and  hard  to
                  read.  The default for the Hidden flag is off.
                  Hide the depth manager panel.  The default is to show the panel.
                  Show the library objects as icons.  This is  the  default.   The
                  other mode is -list_view.
           -iconG[eometry] +X+Y
                  Specifies the position for the icon.
           -im[age_editor] editor
                  Specify  bitmap  editor  to  use  when  ''Edit Image'' button is
                  pressed in Picture Object panel.
           -inc[hes] (or-imperial)
                  Make inches the unit of choice.  This is the default.
                  Install own colormap. Normally, xfig uses the current  colormap.
           -internalBW width
                  Use lines of width width between all buttons and panels (default
                  = 1).
                  Switch on international support (mainly  Japanese  and  Korean),
                  users  of ISO Latin 1 (ISO-8859-1) probably should not use this,
                  therefore the international support is switched off  by  default
                  for  locales  using  ISO-8859-1* codesets. For all other locales
                  this option is already used by default.
                  Make  xfig  come up in landscape mode (10.5" x 8").  This is the
                  default; however as the orientation is stored  with  Fig  files,
                  when  you  load  a  Fig  file  the  orientation  will  change as
                  required.  This is only true for files of version 3.0 or higher.
                  See also -portrait.
                  Start  xfig with LaTeX font selection.  Normally, the PostScript
                  fonts are available as the default.  This flag selects the LaTeX
                  fonts to start.
                  Change  the position of the side panel window to the left of the
                  canvas window.  This is the default.
           -library_d[ir] directory
                  Specify directory where Fig object libraries are located.  There
                  may be sub-directories there and sub-sub-directories, etc.
           -library_i[con_size] size
                  Specify  the  size  of the icons shown for library objects.  The
                  default is 60 pixels, with the minimum being 40 and the  maximum
                  being 120.
                  Show the library objects as a list of names. The default mode is
           -mag[nification] mag
                  Set export and print magnification in %.
           -max[_image_colors] numcols
                  Limit the number of colors used for imported images  to  numcols
                  (default 64).
                  Make  centimeters  the  unit of choice.  The option -centimeters
                  may also be used.
                  After xfig is started you may change the units  from  metric  to
                  imperial  or  vice versa from a popup menu available by pressing
                  mouse button 3 in the units box where the two rulers meet.
                  Use black and white only.
                  Sets multiple page mode for print or export. See also -single.
                  When exporting in multiple page mode,  causes  no  overlap  from
                  page to page.  This is the default.  See also -overlap.
                  Turn off cursor (mouse) tracking arrows.
                  When  exporting  in multiple page mode, causes overlap from page
                  to page of about 10%.  See also -nooverlap.
           -pag[eborder] color
                  Draw the page border on the canvas in this color (default  light
                  blue).   The  page  border  is  turned on by the -showpageborder
                  option (resource Fig.showpageborder), and shows the edges of the
                  current export paper size.
           -pap[er_size] size
                  Set the initial paper size for Export and Print.  Choices are
                  Option     Paper      Size
                  letter     Letter     8.5in x 11in
                  legal      Legal      8.5in x 14in
                  tabloid    Tabloid    17in x 11in
                  a          ANSI A     8.5in x 11in
                  b          ANSI B     11in x 17in
                  c          ANSI C     17in x 22in
                  d          ANSI D     22in x 34in
                  e          ANSI E     34in x 44in
                  a9         ISO A9     37mm x 52mm
                  a8         ISO A8     52mm x 74mm
                  a7         ISO A7     74mm x 105mm
                  a6         ISO A6     105mm x 148mm
                  a5         ISO A5     148mm x 210mm
                  a4         ISO A4     210mm x 297mm
                  a3         ISO A3     297mm x 420mm
                  a2         ISO A2     420mm x 594mm
                  a1         ISO A1     594mm x 840mm
                  a0         ISO A0     840mm x 1189mm
                  b10        JIS B10    32mm x 45mm
                  b9         JIS B9     45mm x 64mm
                  b8         JIS B8     64mm x 91mm
                  b7         JIS B7     91mm x 128mm
                  b6         JIS B6     128mm x 182mm
                  b5         JIS B5     182mm x 257mm
                  b4         JIS B4     257mm x 364mm
                  b3         JIS B3     364mm x 515mm
                  b2         JIS B2     515mm x 728mm
                  b1         JIS B1     728mm x 1030mm
                  b0         JIS B0     1030mm x 1456mm
                  Note  that  this  doesn't affect the size of the drawing canvas.
                  Use the -pheight and -pwidth options for that.
                  canvas window (default: left).
                  Start xfig with the rigid text mode for text objects.  The Rigid
                  attribute  forces  text to remain the same size even if inside a
                  compound object that is scaled up or down.  The default is  off.
                  Set  the  height(width)  of the top(side) rulers in pixels.  The
                  default (and minimum) is 24.
                  Allows use of the X11R5 or OpenWindows scalable fonts  (this  is
                  the  default).  If the scalable fonts aren't available xfig will
                  automatically switch to non-scaling fonts.
           -scale_factor scale
                  Scale every figure read in by this value.   This  is  useful  in
                  conjunction  with the -update option to do batch scaling of fig-
                  Show all the xfig indicator buttons instead of only those  rele-
                  vant  to  the  current drawing mode.  Normally, the buttons line
                  width, area-fill, grid mode, text size, etc.  are  only  visible
                  when  they  are  relevant  to  the  current  drawing  mode.  The
                  -showallbuttons option makes all of the indicator buttons  visi-
                  ble  at  all  times.  This takes up more screen real estate, but
                  allows the user to see all settable parameters.
                  Forces xfig to pop up the information balloons  when  the  mouse
                  passws  over  a button. This is the default. See also -dontshow-
                  balloons .
                  Show the depth manager panel.  This panel lets one show or  hide
                  objects at various depths.  This is the default.
                  Makes  xfig  show  the lengths of lines being drawn, in red text
                  near the line itself.  Also, when points are moved or added.  In
                  addition, imagine a triangle formed with the line segment as the
                  hypotenuse, and a vertical and horizontal line forming the other
                  two  sides.  These lines and their lengths are also drawn in red
                  as the point is moved or added.  This mode is ignored when draw-
                  ing in freehand mode.
                  This flag may be toggled by pressing <Meta>i (default).
                  With  this  option, xfig will draw all objects with a red number
                  next to each vertex.  This is generally only useful  for  debug-
                  Enable smoothing when exporting to the bitmap formats (e.g. GIF,
                  PNG,  etc.).  The  allowed  values  are 0 (no smoothing), 2 or 4
                  (most smoothing).  This parameter is passed  to  ghostscript  in
                  the  -dTextAlphaBits  -dGraphicsAlphaBits  options to smooth the
                  Start xfig with the special text mode for text objects.  Special
                  text  means  that  special characters in the string are not spe-
                  cially processed but are passed directly to LaTeX.  This is most
                  useful  for  writing  LaTeX equations.  If this flag is not set,
                  then the backslash character '\' is changed  to  the  \backslash
                  command, a brace '{' is turned into a brace command \{, etc.
           -spel[lcheckcommand] command
                  Use  command  for the external spell checking program when using
                  the spell check/search/replace popup.  The string command should
                  include the string ''%s'' which is replaced by a temporary file-
                  name.  Default is ''spell %s''.
           -spinner_d[elay] msec
                  The delay (in milliseconds) before the  spinner  will  automati-
                  cally count up or down when the button is pressed.  Spinners are
                  the (numeric) text widgets with an  up-  and  down-arrow,  which
                  when  clicked,  cause  the  value to be incremented/decremented.
                  The default is 500 milliseconds.
           -spinner_r[rate] msec
                  The rate (in milliseconds) at which the spinner will count  when
                  the up- or down-arrow is pressed.
           -startfi[llstyle] stylenumber
                  Set the starting fill style for area fill (-1 to 21).
           -startfo[ntsize] pointsize
                  Set the default font size for text objects (default = 12pt).
           -startg[ridmode] modenumber
                  Set  the  starting  grid  mode (0 to 3).  Mode 0 is no grid.  In
                  imperial (inches) mode, grid mode 1 is 1/4 inch, mode 2  is  1/2
                  inch  and mode 3 is 1 inch.  In metric mode, grid mode 1 is 5mm,
                  mode 2 is 1cm and mode 3 is 2cm.
           -startla[texFont] font
                  Set the starting font name for LaTeX fonts.
           -startli[newidth] width
                  Set the starting line width.
           -startpo[snmode] modenumber
                  Set the starting point positioning mode (0  to  4)  In  imperial
                  (inches)  mode,  positioning  mode  0 is ''any'', mode 1 is 1/16
                  modify the Imakefile to include the USETAB and TABLIB variables.
                  Turn on cursor (mouse) tracking arrows (default).
           -tran[sparent_color] color_number
                  Make the transparent color for GIF  export  color_number.   This
                  number  is  the  color number according to the xfig color panel,
                  starting at 0 (black) and ending at 31 (gold), or may be a user-
                  defined color number, which is 32 or higher.
           -update file [ file ... ]
                  Run  xfig  in an "update" mode, where it will read each Fig file
                  specified on the command line and write it out to  the  original
                  file,  in  the current file format for the version of xfig being
                  run.  The original Fig file will be preserved  with  the  suffix
                  .bak attached to the name.
                  In this mode, xfig doesn't connect the X server, so no window is
                  opened, and it exits when finished.
           -users[cale] scale
                  Set the multiplier for displayed line lengths etc.  This  factor
                  is  multiplied  by  the actual length, radius or diameter of the
                  object currently being drawn on the canvas.  It  is  useful  for
                  making  scale  drawings, where e.g. 1 inch = 1 foot (userscale =
                  12.0) or 1cm = 1m (userscale = 100.0).
           -useru[nit] units
                  The units string is printed with  the  length  information  when
                  drawing  objects.   For  example  if the userscale = 1.0 and the
                  userunit = ft then a line which is 3 inches long on  the  canvas
                  would  be displayed as ''length = 3 ft'' when it is being drawn.
                  After xfig is started you  may  change  the  userscale  and  the
                  userunit  from a popup menu available by pressing mouse button 3
                  in the units box where the two rulers meet.
           -visual visualname
                  Use visualname as the visual for xfig.  The names are  TrueColor
                  (case  is  not important), StaticColor, DirectColor, StaticGray,
                  GrayScale and PseudoColor.  xfig uses the default visual  unless
                  this is specified.  Your server must support the desired visual.
                  Use xdpyinfo to see what visuals and depths are supported.   See
                  also the -depth option.
           -zoom zoomscale
                  Set the starting zoom scale.


        correctfontsize     boolean false           -correctfontsize
        debug               boolean false           -debug
        depth               integer *               -depth
        dontswitchcmap      boolean false           -dontswitchcmap
        euc_encoding        boolean false           (n/a)
        encoding            integer 1               -encoding
        exportLanguage      string  eps             -exportLanguage
        export_margin       integer 0               -export_margin
        flipvisualhints     boolean false           -flipvisualhints
        flushleft           boolean false           -flushleft (true),
                                                    -center (false)
        freehand_resolution integer 25              -freehand_resolution
        grid_color          string  black           -grid_color
        grid_unit           string  1/16 (inch)     -grid_unit
                                    0.1 (metric)
        hiddentext          boolean false           -hiddentext
        icon_view           boolean true            -icon_view (true),
                                                    -list_view (false)
        image_editor        string  xv              -image_editor
        inches              boolean true            -inches (true),
                                                    -imperial (true),
                                                    -centimeters (false),
                                                    -metric (false)
        installowncmap      boolean false           -installowncmap
        internalborderwidth integer 1               -internalBW
        international       International           booleanfalse-international
        jpeg_quality        integer 75              -jpeg_quality
        justify             boolean false           -left (false),
                                                    -right (true)
        keyFile             string  CompKeyDB       -keyFile
        landscape           boolean true            -Landscape (true),
                                                    -landscape (true),
                                                    -Portrait (false),
                                                    -portrait (false)
        latexfonts          boolean false           -latexfonts
        library_dir         string  ~/xfiglib       -library_dir
        magnification       float   100             -magnification
        max_image_colors    integer 64              -max_image_colors
        monochrome          boolean false           -monochrome
        multiple            boolean false           -multiple
        normalFont          string  6x13            -normal
        overlap             boolean true            -overlap (true),
                                                    -nooverlap (false)
        pageborder          string  lightblue       -pageborder
        paper_size          string  Letter (inch)   -paper_size
                                    A4 (metric)
        pheight             float   8.5 (landscape) -pheight
                                    9.5 (portrait)
        pwidth              float   11 (landscape)  -pwidth
                                    8.5 (portrait)
        rigidtext           boolean false           -rigid (true)
        rulerthick          integer 24              -rulerthick
        showpageborder      boolean true            -showpageborder (true),
                                                    -dontshowpageborder (false)
        single              boolean true            -single
        smooth_factor       integer 0               -smooth_factor
        specialtext         boolean false           -specialtext
        splash              boolean true            -splash (true),
                                                    -nosplash (false)
        spellcheckcommand   string  spell %s        -spellcheckcommand
        spinner_delay       integer 500 (ms)        -spinner_delay
        spinner_rate        integer 100 (ms)        -spinner_rate
        startfillstyle      integer 0               -startfillstyle
        startfontsize       float   12              -startfontsize
        startgridmode       integer 0               -startgridmode
        startlatexFont      string  Default         -startlatexFont
        startlinewidth      integer 1               -startlinewidth
        startposnmode       integer 1               -startposnmode
        startpsFont         string  Times-Roman     -startpsFont
        starttextstep       float   1.2             -starttextstep
        tablet              boolean false           -track,
        trackCursor         boolean true            -track (true),
                                                    -notrack (false)
        transparent_color   integer -2 (none)       -transparent_color
        userscale           float   1.0             -userscale
        userunit            string  in (inches)     -userunit
                                    cm (metric)
        visual              string  *               -visual
        zoom                float   1.0             -zoom
        * Default visual and depth depend on the X server. Use xdpyinfo to see what visuals
        and depths are supported.


           Please send bug reports, fixes, new features etc. to:
  (Brian V. Smith)
           When reporting a bug, please first check if the problem is mentioned in
           the FAQ section of the HTML files (xfig Help menu).
           If  it  is  not mentioned there, be sure to report the operating system
           you are using (e.g. SunOS 4.1.3), type of X server and  version  (Open-
           Windows  3,  X11R6.4,  XFree86  3.2.2, etc) and color depth (e.g. 8bpp,
           16bpp), and most importantly the version of xfig  or  fig2dev  that  is
           having the problem.
           It  is  also  VERY useful to me if you can provide a stack trace from a
           debugger such as gdb, dbx, ups, etc, if the bug causes xfig to crash.
           Because of the difference of some fonts  in  some  X  servers  and  the
           PostScript fonts on printers, text alignment can be problematic.
           If the image is panned or the xfig window  iconified  and  de-iconified
           during the middle of an operation (e.g. while drawing a line), the pic-
           ture will be distorted.  This can be corrected using Redraw  after  the
           operation is complete.
           When  zoomed  very large, the length of dashes in dashed lines will top
           out at 255 pixels long.  This is due to a restriction  in  X  that  the
           dash list is defined by char (255 pixels maximum for a dash).  The fig-
           ure will print correctly, however.
           When you do a copy/rotate with multiple copies, only  the  creation  of
           the last object can be undone with the Undo button.
           Modifications to text using the popup search/update/replace/spell check
           panel cannot be undone.
           See the README file for troubleshooting.


           fig2dev(1) (TransFig package)
           gs(1) (Ghostscript PostScript previewer)


           (From the original author, Supoj Sutanthavibul): Many  thanks  goes  to
           Professor Donald E. Fussell who inspired the creation of this tool.
           (From current maintainer Brian Smith): Thanks to all the users who have
           contributed to xfig, especially Paul King who, besides adding many fea-
           tures, revamped the look and feel which became version 2.1.


           Original Copyright (c) 1985 by Supoj Sutanthavibul
           Parts Copyright (c) 1994-1999 by Brian V. Smith
           Parts Copyright (c) 1991 by Paul King
           Other Copyrights may be found in various files
           Any party obtaining a copy of these files is granted, free of charge, a
           full and unrestricted irrevocable, world-wide, paid  up,  royalty-free,
           nonexclusive  right and license to deal in this software and documenta-
           tion files (the "Software"), including without limitation the rights to
           use, copy, modify, merge, publish and/or distribute copies of the Soft-
           ware, and to permit persons who receive copies from any such  party  to
           do  so,  with  the  only  requirement  being that this copyright notice
           remain intact.
           Note that although I work  at  Lawrence  Berkeley  National  Laboratory
           (LBNL)  I  don't speak for LBNL nor do I represent LBNL with respect to
           my work on TransFig and xfig, nor does  LBL  make  any  representations
           about the suitability of this software for any purpose.
           Copyright notice for pbmplus code:
           Permission to use, copy, modify, and distribute this
           software and its documentation for any purpose and without
           fee is hereby granted, provided that the above copyright
           notice appear in all copies and that both that copyright
           notice and this permission notice appear in supporting
           documentation.  This software is provided ''as is'' without
           express or implied warranty.


                   Data base of compose (meta) key sequences for 8-bit characters.
                   Must be installed in $(XFIGLIBDIR) with  ''make  install'',  or
                   may be specified with command line option -keyFile or X toolkit
                   resource keyFile.  See the Imakefile.
                   This directory contains the documentation.
                   This directory contains the above mentioned CompKeyDB file, and
                   a  directory  of libraries containing Fig objects such as elec-
                   trical symbols, logic symbols, etc.
                   Application defaults files which are automatically installed in
                   the  system  app-defaults  directory with the make install com-
                   Description of Fig file format.
           README  Installation instructions and troubleshooting.
           CHANGES Description of bug fixes/new features.


           Many people have contributed to xfig.  Here is a list of the people who
           have contributed the most (in chronological order):
           Version 1:
               Original author:
               Supoj Sutanthavibul, University of Texas at Austin
               The LaTeX line drawing modes were contributed by:
               Frank Schmuck, Cornell University
               Original X11 port by:
               Brian Smith
               (standard disclaimer applies)
               Popup change-object menu by:
               Jon Tombs
               Frank Schmuck
               Zooming and panning functions, shift key select mechanism by:
               Dieter Pellkofer
               Henning Spruth
               Depth feature by:
               Mike Lutz
               Cut/Paste by:
               Tom Tkacik
           Version 2.1:
               Indicator  panel,  file  menu popup, print menu popup, panning with
               rulers, mouse function window, regular  polygon,  rubberbanding  of
               circles/ellipses,  filled  splines on canvas, dashed/dotted splines
               on canvas, update button,  arbitrary  angle  rotation  of  objects,
               alignment  in compound, object scaling, constrained copy/move, cor-
               ner markers for compound, context sensitive corner markers, smarter
               redraw,  undo  for compound and point move for boxes, cancel object
               creation, point positioning to three resolutions, TransFig scalable
               text, hidden text, special text, save of figure on crash by:
               Paul King (
               with help from:
               Brian Smith and Micah Beck (
               Encapsulated PostScript importing by:
               Brian Boyter
               Pan/zoom with ctrl key/mouse by:
               Henning Spruth
               International characters by:
               Herve Soulard
               Directory Browser based on XDir by:
               Win Treese, Digital Equipment Corporation
               Rotated ellipses by:
               James  Tough,  Dept.  of  Computer Science, Heriot-Watt University,
               Rotated text from the xvertext package by:
               New  arrowhead  types, separate pen/fill colors, new file protocol,
               more colors with extended color popup panel,  new  arc  style,  new
               fill  patterns  (bricks, etc), new line join and cap styles, export
               offset and file load offset, XPM import, XBM import and export (and
               anything else that wasn't written by the others) by:
               Brian Smith
               (Note:  the  color  popup  panel was based on xcoloredit by Richard
               GIF header reading code by:
               David Koblas from the giftoppm part of the pbmplus package
               XPM export code (using XPM3 libraries) by:
               Karel van Houten (
               Higher figure resolution (1200dpi) by:
               Ross Martin (
               Color quantization using neural network by:
               Anthony Dekker (
               [NEUQUANT Neural-Net  quantization  algorithm  by  Anthony  Dekker,
               1994.   See  ''Kohonen neural networks for optimal colour quantiza-
               tion'' in ''Network: Computation in Neural Systems'' Vol. 5  (1994)
               pp 351-367.  for a discussion of the algorithm.]
               Floyd-Steinberg  algorithm for dithering color images on monochrome
               displays lifted from the Pbmplus package by Jef Poskanser.
               rotate/flip objects around/about selected anchor point and multiple
               copies of objects by:
               Uwe Bonnes (
               Input tablet extension by:
               Greg LaCoste (
           Version 3.1:
               The only difference between protocol version 3.0 and version 3.1 is
               that the position of the ''magnet'' has  been  shifted  by  14  fig
               units.   In the 2.1 and older versions of xfig the grid was in mul-
               tiples of 5 fig units, but they were on intervals  4,  9,  14,  19,
               etc.   When version 3.0 was created, coordinates were simply multi-
               plied by the ratio of the resolutions (1200/80 = 15) so values like
               4 became 60 instead of 74 ((4+1)*15 - 1).
               The  JPEG  import/export code uses the Independent JPEG Group soft-
               ware (see jpeg/README for details)
               Image browser, editor and screen capture features by:
               (the behaviour of each point is controlled by one single  parameter
               called  ''shape  factor'').  For  additional  information  about X-
               splines, see:
                 "X-Splines: A Spline Model Designed for the End User"
                 by C. Blanc and C. Schlick, Proceedings of SIGGRAPH'95
               Caveat: Because previous spline  models  (quadratic  B-splines  and
               Bezier with hidden points) are no longer supported, curves that are
               present in version 3.1 and older files are automatically  converted
               to  X-splines.   This translation is only an approximation process.
               It means that the converted curves are not exactly the same as  the
               original  ones.  Though they are usually very close, some hand-fit-
               ting may be needed in some pathological cases.
               Inclusion of X-splines by:
               Carole Blanc (
               Christophe Schlick (
               Note: the initial implementation was done by C. Feuille,  S.  Gros-
               bois,  L.  Maziere and L. Minihot as a student practice (Universite
               Bordeaux, France).
               Open/close compound feature written by
               Bill Taylor (
               Library feature written by
               Stephane Mancini ( (object preview by Brian
               V. Smith)
               The library objects in the Electrical and Logic libraries were done
               Peter Hiscocks (
               The library objects in the Computer, Networks, and  Hospital-Equip-
               ment libraries were extracted from the clipart example files by
               Bill Chimiak (
           Version 3.2.3 and newer:
               Please see the CHANGES file for credits for newer releases.


           Many bug fixes/cleanups etc. by a host of faithful users
           See the CHANGES file for all the credits
           The  TransFig  package  was  written by Micah Beck and is maintained by
           Brian Smith

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