Imported nx-X11-3.1.0-1.tar.gznx-X11/3.1.0-1

Summary: Imported nx-X11-3.1.0-1.tar.gz
Keywords:

Imported nx-X11-3.1.0-1.tar.gz
into Git repository

1 files changed, 957 insertions, 0 deletions

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+/*
+ * Copyright (C) 1989-95 GROUPE BULL
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * GROUPE BULL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Except as contained in this notice, the name of GROUPE BULL shall not be
+ * used in advertising or otherwise to promote the sale, use or other dealings
+ * in this Software without prior written authorization from GROUPE BULL.
+ */
+
+/**************************************************************************\
+* 									   *
+*  			HISTORY of user-visible changes			   *
+* 									   *
+\**************************************************************************/
+
+3.4k    (98/03/18)
+
+    ENHANCEMENTS:
+	- A new program called cxpm is provided to check on XPM files and help
+	  figuring out where the file might be invalid.
+        - The FAQ and README are now in HTML.
+
+    BUGS CORRECTED:
+        - A bug in writing pixmaps out on an 32 bit depth visual and MSBFirst
+	  machine.
+		- patch from Uwe Langenkamp <Uwe.Langenkamp@t-online.de>
+        - A severe bug in parsing the pixels section when an unknown character
+	  is encountered.
+
+3.4j	(96/12/31)
+
+    ENHANCEMENTS:
+	- The XPM library can now be built under Amiga DOS. This entirely comes
+	  from: Lorens Younes <d93-hyo@nada.kth.se>
+	  See the README.AMIGA file for details.
+	- Changes for MSW: big performance improvement in ParseAndPutPixels(),
+		fixed creation of the mask in SetColor()
+		- patch from Jan Wielemaker <jan@swi.psy.uva.nl>
+	- makefiles are provided for VMS
+		- given by Martin P.J. Zinser m.zinser@gsi.de  
+	- Imakefiles reworked to get smoother builds and fixes from:
+		- Paul DuBois dubois@primate.wisc.edu
+		- Larry Schwimmer schwim@cyclone.stanford.edu
+	- thanks to some code rearrangement the library is smaller (the size
+	  reduction goes from 4 to 7% depending on the system)
+
+    BUGS CORRECTED:
+	- A severe bug (introduced in 3.4i as part of the sprintf
+	  optimization) in code writing XPM extensions to a buffer
+	  XpmCreateBufferFromImage/Pixmap.
+	- The XpmAttributes definition in xpm.h was declaring nalloc_colors to
+	  be Bool, it's an int.
+
+3.4i	(96/09/13)
+
+    NEW FEATURES:
+	- The XPM library now allows the application to pass its own color
+	  allocation/free functions. For this matter the following was done:
+	  The XpmAttributes structure has three new fields alloc_color,
+	  free_color, and color_closure. The following new valuemasks were
+	  added XpmAllocColorFunc, XpmFreeColorsFunc, XpmColorClosure. And
+	  two new types were defined XpmAllocColorFunc and XpmFreeColorsFunc.
+	  See documentation for details.
+
+    ENHANCEMENTS:
+	- Windows NT support. It should compile and run fine based on the X
+	  Consortium X11R6 distribution.
+	- The README file contains information to compile on Solaris with gcc.
+	- Part of the code has been optimized by using the value returned by
+	  sprintf instead of calling strlen. Add the flag -DVOID_SPRINTF
+	  if on your system sprintf returns void.
+		  - patch from Thomas Ott thommy@rz.fh-augsburg.de
+
+    BUGS CORRECTED:
+	- XpmFree is now a real function (simply calling free by default).
+
+    CHANGES TO THE DOC:
+	- The documentation describes the new XpmAttributes fields and their
+	  use.
+
+3.4h	(96/02/01)
+
+    NEW FEATURES:
+	- The XpmAttributes has a new member called 'alloc_close_colors' which
+	  lets the caller specify whether close colors should be allocated
+	  using XAllocColor or not. This is especially useful when one uses a
+	  private colormap full of read/write cells.
+	  The xpm.h header file define a new bitmap flag called
+	  XpmAllocCloseColors to use along with this new slot.
+		  - Dale Pease peased@bigbird.cso.gtegsc.com
+	- The XpmAttributes has a new member called 'bitmap_format' which lets
+	  the caller specify the format of 1 bit depth images (XYBitmap or
+	  ZPixmap). The xpm.h header file define a new bitmap flag called
+	  XpmBitmapFormat to use along with this new field.
+
+    ENHANCEMENTS:
+	- XpmReadFileTo[Image/Pixmap], XpmCreate[Image/Pixmap]FromData,
+	  XpmCreateImageFromDataFromBuffer functions do no longer use a
+	  temporary XpmImage object, which reduces a lot the amount of memory
+	  used. On the other hand it can take a little more time, but given the
+	  following figures (based on sxpm) it is a real good trade-off.
+
+	  Reading a 22x22 pixmap with 5 colors no time change is detected
+	  using time:
+		  real        0.3
+		  user        0.1
+		  sys         0.1
+
+	  Reading a 1279x1023 pixmap with 14 colors (quite extreme case for
+	  XPM!) the time goes from:
+		  real        1.9
+		  user        0.8
+		  sys         0.8
+
+	  to:
+		  real        2.2
+		  user        1.8
+		  sys         0.3
+
+	  Reading the 22x22 pixmap with 5 colors the memory usage (under
+	  purify) goes from:
+		  255256 code
+		   55496 data/bss
+		  163848 heap (peak use)
+		    4248 stack
+	  to:
+		  271240 code
+		   55472 data/bss
+		  159752 heap (peak use)
+		    4224 stack
+
+	  And reading the 1279x1023 pixmap with 14 colors it goes from:
+		  255256 code
+		   55496 data/bss
+		 6705160 heap (peak use)
+		    4280 stack
+	  to:
+		  271240 code
+		   55472 data/bss
+		 1732616 heap (peak use)
+		    4264 stack
+
+	  This clearly shows that while for small pixmaps there is no real
+	  difference on both sides, for large pixmaps this makes a huge
+	  difference about the amount of memory used and it is not much
+	  slower.
+
+	  Note that you can still get the old behavior using both
+	  XpmReadFileToXpmImage and XpmCreate[Image/Pixmap]FromXpmImage instead
+	  of XpmReadFileTo[Image/Pixmap]. Once more XPM gives you the choice!
+
+    BUGS CORRECTED:
+        - when defined locally the global symbols strcasecmp and strdup are
+	  now called xpmstrcasecmp and xpmstrdup to avoid any possible
+	  conflict.
+	- VMS has a bogus file system which requires a work around in
+	  XpmReadFileToBuffer.
+		  - patch from Bob.Deen@jpl.nasa.gov
+	- the type of the exactColors attribute has been changed from unsigned
+	  int to Bool.
+
+    CHANGES TO THE DOC:
+	- the documentation describes the new XpmAttributes fields
+	  alloc_close_colors and bitmap_format.
+
+3.4g	(95/10/08)
+
+    ENHANCEMENTS:
+	- The XpmAttributes structure has now two new slots: alloc_pixels and
+	  nalloc_pixels in order to provide an easy way to free allocated
+	  colors. The new bitmask XpmReturnAllocPixels should be used to
+	  request this data through the valuemask. Unless you really know why,
+	  you should use this instead of XpmReturnPixels, pixels, and npixels.
+	- the XPM1 format parsing has been improved.
+		  - patch from Chuck Thompson <cthomp@cs.uiuc.edu>
+	- compilers defining _STDC_ to something different from 1 are now
+	  considered as ANSI compilers.
+	- the README file provides now more info on how to build XPM depending
+	  on the system.
+
+    BUGS CORRECTED:
+	- a bug introduced in 3.4f in the XPM1 format parsing function.
+		  - fix from Chuck Thompson <cthomp@cs.uiuc.edu>
+	- the hashtable was not free when the color parsing failed.
+		  - patch from ackley@cs.unm.edu (David Ackley)
+	- the close color mechanism wasn't used if one of the closeness
+          parameter was null. Now only one needs to be different from 0.
+                    Lorens Younes d93-hyo@nada.kth.se
+	- parsing of long comments failed with a segmentation fault.
+
+    CHANGES TO THE DOC:
+	- the documentation describes the new XpmAttributes fields
+	  alloc_pixels and nalloc_pixels and how they are used.
+
+3.4f	(95/05/29)
+
+    ENHANCEMENTS:
+    	- Defines IMAKE_DEFINES in the top Imakefile so one can easily avoid
+    	  building the shared library.
+	- Add some information about the installation process in the README.
+	- filenames are surrounded with quotes when calling gzip or compress in
+          order to allow spaces within filenames.
+		  - William Parn <parn@fgm.com>
+	- the compilation and the shared library building should be smoother
+	  on Alpha OSF/1.
+		  - patch from Dale Moore <Dale.Moore@CS.cmu.edu>
+
+    BUGS CORRECTED:
+	- a segmentation fault occurring in some weird case.
+
+3.4e	(95/03/01)
+
+    ENHANCEMENTS:
+    	- The top Imakefile passes CDEBUGFLAGS and DEFINES to subdirs. Thus
+    	  only this Imakefile should need to be edited by users.
+	- FAQ includes the answer to the question "How can I get a non
+    	  rectangular icon using XPM ?"
+	- VMS support updated
+		  - patch from Martin P.J. Zinser m.zinser@gsi.de
+
+    BUGS CORRECTED:
+	- XpmCreateImageFromXpmImage() called from XpmReadFileToPixmap() could
+	  lead to a segmentation fault since free was called on a memory block
+	  size variable instead of the block itself. Note: this bug has been
+	  introduced in 3.4d.
+
+3.4d	(95/01/31)
+
+    ENHANCEMENTS:
+    	- sxpm now supports a -version option command.
+
+    BUGS CORRECTED:
+	- the list of pixels returned in XpmAttributes was wrong when two
+	  colors were defined as None in the read XPM
+		  - Lionel.Mallet@sophia.inria.fr
+	- the parser was skipping whitespace reading extensions strings. This
+	  has been fixed so extensions lines are now returned exactly as they
+	  are.
+	- some compilation control added for the dec alpha with X11R5 (LONG64)
+		  - patch from Fredrik Lundh <Fredrik_Lundh@ivab.se>
+	- when writing an XPM file, '-' characters are replaced with '_'
+	  characters in the array name, in order to get a valid C syntax name.
+	- XYPixmap format images were not correctly handled.
+	- XPM1 file with names using multiple '_' characters are now handled
+	  correctly.
+	  	  - todd@erda.rl.af.mil (Todd Gleason)
+
+3.4c	(94/06/06)
+
+    Yes, this is kind of quick. But this is because no code has been modified,
+    this is just a new packaging to make the whole stuff more suitable to the
+    X development team's requests for inclusion in the R6 contrib.
+
+    ENHANCEMENTS:
+	- Several filenames were too long to fit without any conflict on DOS
+	  and CD-ROM filesystems. They have been renamed.
+	- Imakefiles use XCOMM for comments instead of the # character.
+	- the Postscript documentation file doc/xpm.ps is now distributed as
+	  doc/xpm.PS.gz and allows browsing with tools such as ghostview.
+	- Besides, parts of lib/misc.c have been moved to several new files,
+	  and some functions of data.c have been moved to other files in
+	  order to get a better link profile.
+	- I've also added a FAQ hoping this will prevent people from
+	  continuously filling my mailbox with the same questions.
+	- sxpm.c includes <X11/xpm.h> instead of "xpm.h" and BUILDINCTOP is
+	  used in Makefiles as expected.
+	- Everything can be done simply using "xmkmf -a" and "make".
+
+3.4b	(94/05/24)
+
+    ENHANCEMENTS:
+	- XPM can now be built under MS Windows. Yes, this is possible and this
+	  entirely comes from:
+		- Hermann Dunkel <hedu@cul-ipn.uni-kiel.de>
+	  See the README.MSW file for details.
+
+	- building the shared library now depends on the SharedLibXpm variable
+	  and no longer on the SharedLibX variable which is private to the X
+	  Window System project.
+		- patch from Stephen Gildea <gildea@x.org>
+	  Other variables can now be set for the various locations needed.
+
+	- lib/parse.c does no longer use a 256x256 array in the stack but
+	  malloc it instead.
+
+	- The Copyright notice which has been re-written from the X11R6's one
+	  should be clearer and is now present in every file.
+
+    BUGS CORRECTED:
+	- lib/xpmP.h does no longer define a Boolean type which conflicts with
+	  the Intrinsic definition. Instead the type Bool defined in Xlib is
+	  used.
+		- neumann@watson.ibm.com (Gustaf Neumann)
+
+3.4a	(94/03/29)
+
+    BUGS CORRECTED:
+	- passing NULL as shapemask_return to XpmReadFileToPixmap and similar
+	  functions was leading to a bus error.
+		- Dean Luick <dean@falcon.natinst.com>
+
+3.4	(94/03/14)
+
+    IMPORTANT NOTE:
+	This version is not compatible with 3.3. Fortunately most people should
+	only need to recompile.
+	I apology for this but CDE/Motif have put heavy pressure to go that
+	way. The point is that I designed and released Xpm 3.3 in order to let
+	OSF include a clean version of Xpm in Motif 2.0. This new version was
+	not fully compatible with 3.2 but I thought it didn't matter since this
+	was going to be the first version used within Motif. Unfortunately CDE
+	was already using xpm-3.2 internally and requires both source and
+	binary backward compatibility. By the way I must say they didn't drop
+	us a single line to let us know they were using it and thus were
+	expecting stability. All this could have been avoided...
+
+	However, since I had to go for a not compatible version I took this as
+	an opportunity to modify the lower level API, which was new in 3.3 and
+	which was somewhat clumsy, in order to provide yet a better API.
+
+	The library has been modified to have both source and binary backward
+	compatibility with xpm-3.2. This implies it is not either source or
+	binary compatible with 3.3. The fields related to the 3.2 XpmInfos
+	mechanism have been put back into the XpmAttributes structure. The new
+	3.3 XpmInfos struct has been renamed as XpmInfo to avoid conflict with
+	the old 3.2 flag which is back too. All the semantic related to the
+	XpmAttributes infos fields is back as well.
+
+	So this new version provides a high level API which is fully
+	compatible with 3.2 and still provides the 3.3 lower level API
+	(XpmImage) with the XpmInfos struct renamed as XpmInfo. This leads to
+	some redundancy but this was the best I could do to satisfy both
+	CDE/Motif people who needed the backward compatibility and myself (who
+	always tries to provide you with the best ;-).
+
+	Tests have been successfully performed with pixmap-2.1, pixmap-2.4, and
+	sxpm.
+
+    ENHANCEMENTS:
+	- The colorTable member of the XpmAttributes structure is now an
+	  (XpmColor*) in order to be compatible with an XpmImage colorTable.
+	  However in order to be backward compatible this field is cast to
+	  (XpmColor **), which is equivalent to (char ***), when it is used
+	  with the old flags XpmInfos and XpmReturnInfos. To handle the new
+	  type the new flags XpmColorTable and XpmReturnColorTable have been
+	  defined.
+	- The XpmInfo struct has been extended to avoid having to deal with an
+	  XpmAttributes at the lower level. The idea is that all the data
+	  stored in an Xpm file can be retrieve through both an XpmImage and
+	  an XpmInfo struct. See the documentation for details.
+	- XpmUndefPixel is defined and exported by xpm.h in order to let
+	  clients providing their own colorTable when writing out an Xpm file.
+	  See the documentation for details.
+	- in sxpm/sxpm.c, set attribute XtNinput to True on toplevel widget.
+	  Windows that don't "take" input, never get focus, as mandated by
+	  the ICCM.
+        	patch from Henrique Martins <martins@hplhasm.hpl.hp.com>
+	- lib/Imakefile modified to build the shared library under IRIX 5.
+                patch from simon@lia.di.epfl.ch (Simon Leinen)
+
+    NEW FEATURES:
+	- a new function and a new define should help client figuring out with
+	  which Xpm library version they are working. These are
+	  XpmIncludeVersion and XpmLibraryVersion().
+
+3.3	(93/12/20)
+
+    NEW FEATURES:
+	- XPM1 files are now supported.
+	- a new function is provided to get an error string related to the
+	  returned error code.
+		- suggested by Detlef Schmier <detlef@mfr.dec.com>
+
+    ENHANCEMENTS:
+	- gzip and gunzip are called with the -q option (quiet)
+		- patch from Chris P. Ross <cross@eng.umd.edu>
+	- the parser is again more flexible about the way the strings are
+	  distributed on lines. Actually a single line XPM file can be read.
+	- the documentation should be clearer about shapemask generation and
+	  XpmAttributes valuemask.
+
+    BUGS CORRECTED:
+	- reading some binary file was leading to a bus error.
+		- patch from Detlef Schmier <detlef@mfr.dec.com>
+	- the ? character is no longer used when writing an XPM file in order
+	  to avoid possible ANSI trigraphs.
+
+3.3alpha (93/08/13)
+
+    NEW FEATURES:
+	- a new level interface is provided to allow applications to do either
+	  icon editing or data caching.
+	  The XpmAttributes has been changed but most applications will just
+	  need to be recompiled.
+	- new structures are provided to deal with the new lower level:
+		 XpmImage, XpmColor, XpmInfos.
+
+	- a separate distribution called xpm-contrib is available. This
+	  includes the converters which used to be part of this distribution
+	  plus:
+		two new applications:
+		* nexpm to draw a pixmap in *any* existing window from
+			 Ralph Betza <gnohmon@ssiny.com>
+		* xpmview to display a list of Xpm files from
+			 Jean Michel Leon <leon@sophia.inria.fr>
+
+		a hacky string to pixmap converter, provided by
+			Robert H. Forsman Jr.  <thoth@manatee.cis.ufl.edu>
+
+		The Xpm editor called pixmap will also be part of this contrib.
+		This does not mean it is the best pixmap editor one can find
+		but it is the only one that I know of which tries to handle
+		all the features of this format.
+
+    ENHANCEMENTS:
+	- the code to build XImage data has been optimized by
+		 jules@x.co.uk (Julian Gosnell)
+	  the old code is still available when compiling with the
+	  -DWITHOUT_SPEEDUPS flag.
+
+	- closecolor code was not re-entrant
+		 - dbl@visual.com (David B. Lewis)
+	- fix gzip filename (*.gz and no longer *.z).
+		 - Jason Patterson <jasonp@fitmail.fit.qut.edu.au>
+	- sxpm has 2 new options:
+		 -nom to do not display the mask if there is one
+		 -cp <color> <pixel> to override a color value with a given
+		 pixel, i.e. sxpm plaid.xpm -cp red 4
+
+	  also the '-s' adn '-p' options have been renamed to '-sc' and '-sp'.
+
+	- xpm.h defines XpmFormat, XpmVersion, and XpmRevision numbers.
+
+    BUGS CORRECTED:
+	- closecolor minor fix
+		 - Jason Patterson <jasonp@fitmail.fit.qut.edu.au>
+
+3.2g	(93/04/26)
+
+    ENHANCEMENTS:
+	- much faster close colors
+	- piping from/to compressed files now handles GNU's gzip (.z)  format
+	- added XpmColorKey attribute - ability to specify which visual's
+	  colors to use (ie: now it's possible to read in a pixmap in a
+	  color visual, but use the colors specified for monochrome).
+	- added -mono, -grey4, -grey and -color options to sxpm to demonstrate
+	  the XpmColorKey attribute.
+		- Jason Patterson <jasonp@fitmail.qut.edu.au>
+
+    BUGS CORRECTED:
+	- fixed bug where redefining "None" as a pixel stopped mask generation
+	- minor SVR4 defines for <string.h>
+	- fixed annoying closecolor bug related to read/write color cells
+	- fixed minor bug in color value -> pixel overloading
+	- manual updated to include new red/green/blue closeness attributes
+		- Jason Patterson <jasonp@fitmail.qut.edu.au>
+
+	- the top Imakefile was missing the depend target
+	- sxpm/Imakefile fixed so that -L../lib is set before the standard
+	  library location.
+		- Vivek Khera <khera@cs.duke.edu>
+
+	- lib/xpmP.h now defines bcopy as memcpy for VMS (required by recent
+	  versions of VMS)
+		- J. Daniel Smith <dsmith@ann-arbor.applicon.slb.com>
+
+	- the lib/Imakefile didn't work with X11R4.
+
+
+3.2f		(93/03/17)
+
+    NEW FEATURES:
+	- the library provides four new functions to deal with Xpm files
+	  loaded in memory as single character strings buffers:
+
+			XpmCreateImageFromBuffer
+			XpmCreatePixmapFromBuffer
+			XpmCreateBufferFromImage
+			XpmCreateBufferFromPixmap
+
+	- in addition, as a convenience, two functions are provided to copy a
+	  file in a buffer and to write a file from a buffer:
+
+			XpmReadFileToBuffer
+			XpmWriteFileFromBuffer
+
+    ENHANCEMENTS:
+	- Files are now dispatched in the following sub-directories:
+	  lib, sxpm, and doc.
+	- Imakefiles will let you build a shared library as well as the static
+	  one (with either X11R4 or X11R5).
+	- The documentation has been ported from LaTeX to FrameMaker and is
+	  now included in the distribution in its PostScript form (doc/xpm.ps).
+	  Source files are available on request.
+	  Also the documentation has been reorganized and includes a table of
+	  contents and an index of the functions (the number of functions
+	  increasing this became a requisite).
+
+    BUGS CORRECTED:
+	- Many warnings have been fixed - patch from Daniel Dardailler 
+	  daniel@osf.org
+
+3.2e		(93/02/05)
+
+    ENHANCEMENTS:
+	- use XpmMalloc, XpmRealloc, XpmCalloc, and XpmFree which are defines
+	in xpmP.h. This should help people wanting to use their own functions.
+
+    BUGS CORRECTED:
+	- Intrinsic.h is no longer included.
+	- bzero is defined as memset on SYSV and SVR4.
+	- some memory initialization bug concerning XpmAttributes.
+
+3.2d		(93/01/27)
+
+    ENHANCEMENTS:
+    	- compile on Solaris 2.0
+		- patch from Clint Jeffery <cjeffery@cs.arizona.edu>
+
+    BUGS CORRECTED:
+	- shape masks are now set correctly for LSBFirst (Decs).
+	- pixmaps are now set correctly for 2 bit displays (Nexts).
+		- patch from Josef Leherbauer <joe@takeFive.co.at>
+	- isspace was called on getc which fails when EOF is returned.
+		- Marelli Paolo <marelli@colos3.usr.dsi.unimi.it>
+
+3.2c		(92/12/29)
+
+    ENHANCEMENTS:
+    	- parsing optimized for single and double characters color
+		- patch originally from Martin Brunecky 
+				       marbru@build1.auto-trol.com
+
+    BUGS CORRECTED:
+	- XpmFreeExtensions was calling free on some argument without checking
+	it was not NULL.
+	- strdup was not correctly defined for systems which do not provide
+	it.	- Hans-Peter Lichtin <lich@zellweger.ch>
+	- some bug in XpmCrDataFI.c
+	        - Sven Delmas garfield@avalanche.cs.tu-berlin.de
+
+    NOTE:
+    	- there is still a bug with the creation of the clipmask on display of
+	depth 2 but I can't find a fix because unfortunately I don't have such
+	a rendering system and nobody gets the time to investigate for me.
+
+3.2b		(92/10/19)
+
+    ENHANCEMENTS:
+	- Create XpmReadFileToData and XpmWriteFileFromData
+		- Dan Greening <dgreen@sti.com>
+    	- added "close colors" support and ability to redefine color values
+	  as pixels at load time, as well as color names
+		- Jason Patterson <jasonp@fitmail.qut.edu.au>
+	- errors while parsing or allocating colors now revert to other
+	  visual defaults, creating pixmap/image as expected, and returning
+	  XpmSuccess. The old behavior of XpmColorError being returned and no
+	  pixmap/image being created can be retained by setting the
+	  exactColors attribute.
+		- Jason Patterson <jasonp@fitmail.qut.edu.au>
+
+    BUGS CORRECTED:
+	- SVR4 defines for including <string.h> instead of <strings.h>
+		- Jason Patterson <jasonp@fitmail.qut.edu.au>
+	- attributes->extensions and attributes->nextensions fields were not 
+	  set correctly when no extensions present in file.
+		- Simon_Scott Cornish <cornish@ecr.mu.oz.au>
+
+3.2a		(92/08/17)
+
+    ENHANCEMENTS:
+    	- use the mock lisp hashing function instead of the gnu emacs one,
+	it is faster in some cases and never slower (I've not found any case).
+
+    BUGS CORRECTED:
+	- function prototypes for ansi compilers.
+	- some memory initialization bugs (purify is just great for this).
+	- empty strings in extensions are now correctly handled.
+
+3.2		(92/07/06)
+
+    NEW FEATURES:
+	- both format and functions handle extensions data. This allow people
+	to store additional data related to a pixmap. See documentation for
+	detail.
+	- sxpm supports the new option '-c' to use a private colormap. This is
+	useful when displaying pixmaps using a lot of colors.
+	- sxpm supports the new option '-v' (verbose) to get possible
+	extensions print out on standard error.
+
+    ENHANCEMENTS:
+    	- most of the code has been reworked to be improved and thus almost
+	every function is faster. It takes less than 6 seconds of real time on
+	a sun4 to display, with sxpm, a 487x635 pixmap using 213 colors, while
+	it takes 32 seconds with the old library! It takes 18 seconds to
+	display a 1279x1023 screen dump using 14 colors while xwud takes 10
+	seconds.
+	Of course performance improvements are not always that great, they
+	depend on the size and number of colors but I'm sure everybody will
+	appreciate ;-)
+	I know how to improve it more but this will require changes in the
+	architecture so this is not for now. Some optimizations have been
+	contributed by gregor@kafka.saic.com (gregg hanna) and
+	jnc@csl.biosci.arizona.edu (John N. Calley).
+	- the Imakefile is modified to let you install sxpm - Rainer Klute
+           <klute@irb.informatik.uni-dortmund.de>
+	- xpmP.h declares popen for Sequent platforms - Clinton Jeffery
+	   <cjeffery@cs.arizona.edu>
+	- XpmWriteFileFromImage/Pixmap rather than truncating the pixmap name
+	to the first dot changes dots to underscores to get a valid C syntax
+	name.
+
+
+    BUGS CORRECTED:
+	- there was a bug in the image creation function for some 24 bits
+	displays. It is fixed.
+	- allocated color pixels are now freed when an error occurs -
+	   nusser@dec1.wu-wien.ac.at (Stefan Nusser)
+
+    CHANGES TO THE DOC:
+	- the documentation describes the new XpmExtension structure and how
+	to use it with read and write functions.
+
+3.1		(92/02/03)
+
+    ENHANCEMENTS:
+    	- sxpm now have more standard options (mainly suggested by 
+	Rainer Sinkwitz <sinkwitz@ifi.unizh.ch>):
+
+	Usage:  sxpm [options...]
+	Where options are:
+
+	[-d host:display]            Display to connect to.
+	[-g geom]                    Geometry of window.
+	[-hints]                     Set ResizeInc for window.
+	[-icon filename]             Set pixmap for iconWindow.
+	[-s symbol_name color_name]  Overwrite color defaults.
+	[-p symbol_name pixel_value] Overwrite color defaults.
+	[-plaid]                     Read the included plaid pixmap.
+	[filename]                   Read from file 'filename', and from
+				     standard input if 'filename' is '-'.
+	[-o filename]                Write to file 'filename', and to standard
+				     output if 'filename' is '-'.
+	[-nod]                       Don't display in window.
+	[-rgb filename]              Search color names in the rgb text file
+				     'filename'.
+
+	if no input is specified sxpm reads from standard input.
+
+
+	- Xpm functions and Ppm converters now deal with multiword colornames.
+	  patches from Rainer Sinkwitz <sinkwitz@ifi.unizh.ch>.
+
+
+3.0		(91/10/03)
+
+	Functions name and defines have been modified again (sorry for that)
+	as follows:
+
+	     XpmReadPixmapFile    XpmReadFileToPixmap
+	     XpmWritePixmapFile   XpmWriteFileFromPixmap
+
+	     XpmPixmapColorError  XpmColorError
+	     XpmPixmapSuccess     XpmSuccess
+	     XpmPixmapOpenFailed  XpmOpenFailed
+	     XpmPixmapFileInvalid XpmFileInvalid
+	     XpmPixmapNoMemory    XpmNoMemory
+	     XpmPixmapColorFailed XpmColorFailed
+
+	To update code using Xpm you can use the included shell script called
+	rename with the sed commands files name-3.0b-3.0c and name-3.0c-3.0.
+	Old names still valid though.
+
+    NEW FEATURES:
+	- four new functions to work with images instead of pixmaps:
+
+	     XpmReadFileToImage
+	     XpmWriteFileFromImage
+	     XpmCreateImageFromData
+	     XpmCreateDataFromImage
+
+    ENHANCEMENTS:
+    	Algorithms to create and scan images and pixmaps are based on the
+	MIT's R5 code, thus they are much cleaner than old ones and should
+	avoid any problem with any visual (yes, I trust MIT folks :-)
+
+    BUGS CORRECTED:
+	Imakefile use INCDIR instead of ROOTDIR.
+
+    CHANGES TO THE DOC:
+	- the documentation presents the four new functions.
+
+3.0c		(91/09/18)
+
+	In answer to request of people functions, types and defines names have
+	been changed as follows:
+
+	     XCreatePixmapFromData	 XpmCreatePixmapFromData
+	     XCreateDataFromPixmap	 XpmCreateDataFromPixmap
+	     XReadPixmapFile		 XpmReadPixmapFile
+	     XWritePixmapFile		 XpmWritePixmapFile
+	     XFreeXpmAttributes		 XpmFreeAttributes
+
+	     PixmapColorError		 XpmPixmapColorError
+	     PixmapSuccess		 XpmPixmapSuccess
+	     PixmapOpenFailed		 XpmPixmapOpenFailed
+	     PixmapFileInvalid		 XpmPixmapFileInvalid
+	     PixmapNoMemory		 XpmPixmapNoMemory
+	     PixmapColorFailed		 XpmPixmapColorFailed
+
+	     ColorSymbol		 XpmColorSymbol
+
+	Generally speaking every public name begins with 'Xpm' and every
+	private one with 'xpm'. This should avoid any possible conflict.
+
+	Some files have also be renamed accordingly.
+
+    NEW FEATURES:
+	- support for VMS and two new options for sxpm: icon and hints (see
+	manual for details) Richard Hess <rhess%pleione%cimshop@uunet.UU.NET>
+	- DEFINES in Imakefile and Makefile.noXtree allows you to set the
+	following:
+
+	    	 ZPIPE for un/compressing piped feature (default is on)
+		 NEED_STRCASECMP for system which doesn't provide one (default
+				 is off)
+
+	- xpmtoppm.c has is own strstr function which is used if NEED_STRSTR
+	is defined when compiling - Hugues.Leroy@irisa.fr (Hugues Leroy).
+	
+    BUGS CORRECTED:
+	- many bugs have been fixed, especially for ansi compilers -
+	       Doyle C. Davidson (doyle@doyled.b23b.ingr.com) and
+	       Clifford D. Morrison (cdm%bigdaddy%edsr@uunet.UU.NET)
+	- parser is again a little more improved
+
+3.0b		(91/09/12)
+
+	This is a complete new version with a new API and where files and
+	structures have been renamed. So this should be taken as a new
+	starting release.
+	This release should be quickly followed by the 3.0 because I'm planning
+	to send it for X11R5 contrib which ends October 5th.
+
+    NEW FEATURES:
+	- support for transparent color.
+	- support for hotspot.
+	- a new function: XCreateDataFromPixmap to create an XPM data from a
+	pixmap in order to be able to create a new pixmap from this data using
+	the XCreatePixmapFromData function later on.
+	- a new structure: XpmAttributes which replace the XpmInfo structure
+	and which leads to a much simpler API with less arguments.
+	- arguments such as visual, colormap and depth are optional, default
+	values are taken if omitted.
+	- parsing and allocating color failures don't simply break anymore. If
+	another default color can be found it is used and a PixmapColorError
+	is returned. In case no color can be found then it breaks and returns
+	PixmapColorFailed.
+	- for this reason the ErrorStatus codes are redefined as follows:
+
+		   null     if full success
+		   positive if partial success
+		   negative if failure
+
+	with:
+		#define PixmapColorError    1
+		#define PixmapSuccess       0
+		#define PixmapOpenFailed   -1
+		#define PixmapFileInvalid  -2
+		#define PixmapNoMemory     -3
+		#define PixmapColorFailed  -4
+
+	- sxpm prints out a warning when a requested color could not be parsed
+	or alloc'ed, and an error when none has been found.
+	- sxpm handles pixmap with transparent color. For this purpose the
+	plaid_mask.xpm is added to the distribution.
+
+    BUGS CORRECTED:
+	- I've again improved the memory management.
+	- the parser is also improved.
+	- when writing a pixmap to a file the variable name could be
+	"plaid.xpm" which is not valid in C. Now the extension name is cut off
+	to give "plaid" as variable name.
+	- reading multiple words colornames such as "peach puff" where leading
+	to non readable Xpm files. They are now skipped to have only single
+	word colorname. Lionel Mallet (mallet@ipvpel.unipv.it).
+	- parser was triggered by the "/" character inside string.
+	Doyle C. Davidson (doyle@doyled.b23b.ingr.com). This is corrected.
+	- sxpm maps the window only if the option "-nod" is not selected. 
+
+    CHANGES TO THE DOC:
+	- the documentation presents the new API and features.
+
+3.0a		(91/04/10)
+
+	This is an alpha version because it supports the new version of XPM,
+	but the library interface is still the same. Indeed it will change in
+	future release to get rid of obsolete stuff such as the type argument
+	of the XWritePixmapFile function.
+
+    ******************************* WARNING *********************************
+	The format is not anymore XPM2, it is XPM version 3 which is XPM2
+	limited to the C syntax with the key word "XPM" in place of "XPM2 C".
+	The interface library has not changed yet but the type argument of
+	XWritePixmapFile and the type member of XpmInfo are not used anymore.
+	Meanwhile the library which is now called libXpm.a is backward
+	compatible as XPM2 files can be read. But the XWritePixmapFile
+	function only writes out XPM version 3 files.
+    *************************************************************************
+
+    NEW FEATURES:
+	- the library doesn't use global variables anymore, thus it should be
+	able to share it.
+	- sxpm has been rewritten on top of Xt, it can be used to convert
+	files from XPM2 to XPM version 3.
+	- xpm1to2c.perl has been upgraded to the new XPM version and renamed
+	as xpm1to3.perl
+	- ppmtoxpm2.c and ppmtoxpm2.1 have been upgraded too and renamed
+	ppmtoxpm.c and ppmtoxpm.1. In addition the xpmtoppm.c and xpmtoppm.1
+	of the pbmplus package have been upgraded too. xpmtoppm can thus
+	convert XPM version 1 and 3 to a portable pixmap. These files should
+	replace the original ones which are part of the pbmplus package. See
+	the ppm.README file for more details.
+	- the library contains RCS variables which allows you to get revision
+	numbers with ident (which is part of the RCS package). The Id number
+	is an internal rcs number for my eyes only. The official one is found
+	in Version.
+
+    BUGS CORRECTED:
+	- the memory management has been much improved in order to avoid
+	memory leaks.
+	- the XImage building algorithm has been changed to support correctly
+	different visual depths. There is special code to handle depths 1, 4,
+	6, 8, 24, and 32 to build the image and send it in one whack, and
+	other depths are supported by building the image with XPutPixel which
+	is slow but sure.
+	- similar algorithms are used to read pixmaps and write them out.
+
+    CHANGES TO THE DOC:
+	- the documentation presents the new XPM format.
+
+
+2.8		(90/12/19)
+
+    ******************************* WARNING *********************************
+        Since the last release two structures have been modified and have now
+	bigger sizes, so ANY CODE USING THE libXPM2 NEEDS TO BE RECOMPILED.
+    *************************************************************************
+
+    NEW FEATURES:
+	- the ColorSymbol struct contains the new member 'pixel' which allow
+	to override default colors by giving a pixel value (in such a case
+	symbol value must be set to NULL),
+	- the XpmInfo struct contains the new member 'rgb_fname' in which one
+	can specify an rgb text file name while writing a pixmap with the 
+	XWritePixmapFile function (otherwise this member should be set to
+	NULL). This way colorname will be searched and written out if found
+	instead of the RGB value,
+	- Imakefile originally provided by stolcke@ICSI.Berkeley.EDU,
+	- the old Makefile is now distributed as Makefile.noXtree and presents
+	install targets,
+	- the demo application is renamed sxpm (Show XPM), creates a window of
+	the size of the pixmap if no geometry is specified, prints out
+	messages instead of status when an error occurs, handles the new
+	option -p for overriding colors by giving a pixel value (not really
+	useful but is just here to show this new feature), handles the new
+	option -rgb for specifying an rgb text file, and ends on
+	keypress as buttonpress,
+	- defines for SYSV have been provided by Paul Breslaw
+	<paul@mecazh.uucp>,
+	- the distribution includes a new directory called converters which
+	contains xpm1to2 and xpm1to2c perl converters and a ppmtoxpm2
+	converter provided by Paul Breslaw who upgraded the original ppmtoxpm
+	written by Mark W. Snitily <mark@zok.uucp>.
+
+    CHANGES TO THE DOC:
+	- this file is created and will give old users a quick reference to
+	changes made from one release to the next one,
+	- documentation is changed to present the new ColorSymbol structure
+	and the way to override colors by giving a pixel value, and to present
+	the new XpmInfo structure and how to use it,
+	- a man page for sxpm is added to the distrib,
+	- the README file talks about sxpm and no more demo, and have
+	reference to the different converters.
+
+2.7		(90/11/12)
+
+    NEW FEATURES:
+	- XReadPixmapFile reads from stdin if filename is NULL,
+	- XWritePixmapFile writes to stdin if filename is NULL,
+	- the demo application handles the new option -nod for no displaying
+	the pixmap in a window (useful when used as converter).
+
+    CHANGES TO THE DOC:
+	- documentation about the new feature.
+
+2.6		(90/10/29)
+
+    NEW FEATURES:
+	- from nazgul@alphalpha.com (Kee Hinckley): changes to make the
+	library usable as C++ code, and on Apollo without any warning.
+
+    BUGS CORRECTED:
+	- from nazgul@alphalpha.com (Kee Hinckley): the xpm include files was
+	declaring XWritePixmapFile as taking in arg a Pixmap pointer instead
+	of a Pixmap.
+
+2.5		(90/10/17)
+
+    BUGS CORRECTED:
+	- XWritePixmapFile was not closing the file while ending normally.
+
+2.4		(90/09/06)
+
+    NEW FEATURES:
+	- XReadPixmapFile reads from a piped uncompress if the given filename
+	ends by .Z or if filename.Z exists,
+	- XWritePixmapFile writes to a piped compress if the given filename
+	ends by .Z.
+
+    BUGS CORRECTED:
+	- demo now deals with window manager.
+
+    CHANGES TO THE DOC:
+	- documentation about compressed files management.
+
+2.3		(90/08/30)
+
+    BUGS CORRECTED:
+	- handle monochrome display correctly,
+	- comments can be empty.
+
+2.2		(90/08/27)
+
+    BUGS CORRECTED:
+	- when reading some invalid free was dumping core on some machine.
+
+2.1		(90/08/24)
+
+    First distribution of XPM2.
+