diff options
| author | L Peter Deutsch <lpd@ghostscript.com> | 2001-01-01 01:09:59 +0000 |
|---|---|---|
| committer | L Peter Deutsch <lpd@ghostscript.com> | 2001-01-01 01:09:59 +0000 |
| commit | baf3885f0db115a3ebbbc7ddda0e5eb51f3420ad (patch) | |
| tree | 85e71a2c4063f5f194aaade34039cdafd00c250f | |
| parent | 8859e43c790d0ee0b0b4c89d719f9a5be87ac041 (diff) | |
Checks in the final updates to the release documentation, including fixesghostscript-6.60
for makehist (which had been broken by the changes in the HTML formatting
conventions).
git-svn-id: http://svn.ghostscript.com/ghostscript/trunk@1147 a1074d23-0009-0410-80fe-cf8c14f379e6
| -rw-r--r-- | gs/doc/Changes.htm | 649 | ||||
| -rw-r--r-- | gs/doc/History6.htm | 858 | ||||
| -rw-r--r-- | gs/doc/News.htm | 7 | ||||
| -rwxr-xr-x | gs/toolbin/makeset.tcl | 58 |
4 files changed, 1563 insertions, 9 deletions
diff --git a/gs/doc/Changes.htm b/gs/doc/Changes.htm index ec0decea4..e3453f387 100644 --- a/gs/doc/Changes.htm +++ b/gs/doc/Changes.htm @@ -1,18 +1,22 @@ <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html><head> -<title>Ghostscript 6.60 change history as of 2000-11-09 17:39:33</title> +<title>Ghostscript 6.60 change history as of 2000-12-31 16:27:34</title> <link rel=stylesheet type="text/css" href="gs.css"> </head><body> -<!-- cvs command: cvs -d giles@cvs.ghostscript.sourceforge.net:/cvsroot/ghostscript -Q log -b --> +<!-- cvs command: cvs2 -d lpd@cvs2-gw:/cvsroot/ghostscript -Q log -b --> <ul> <li><a href="#6.60-Documentation">Documentation</a>, <a href="#6.60-Procedures">Procedures</a>, + <a href="#6.60-Utilities">Utilities</a>, + <a href="#6.60-Drivers">Drivers</a>, <a href="#6.60-PDF_writer">PDF writer</a>, <a href="#6.60-PDF_Interpreter">PDF Interpreter</a>, <a href="#6.60-Interpreter">Interpreter</a>, - <a href="#6.60-Library">Library</a> + <a href="#6.60-Streams">Streams</a>, + <a href="#6.60-Library">Library</a>, + <a href="#6.60-Other">Other</a> </ul> @@ -21,6 +25,32 @@ Fixes problems: - An isolated ampersand needed to be converted to the HTML form. (doc/Bug-form.htm [1.12]: 2000/11/04 17:53:57 lpd) + - cvs2hist was generating invalid anchor names and not escaping +special charaters. also enable '-r' commandline option, and pass '-b' if +it's not specified for default branch logs only. Changes.htm now passes the +validator. Minor url cleanup in Release.htm (doc/Changes.htm [1.19], +doc/Release.htm [1.23]: 2000/11/10 01:52:35 giles) + - Removes obsolete documentation reference to -DUsePrinterImages and +clarifies the entry for the replacing -DPrinted. Fixes sourceforge bug # +121907. (doc/Use.htm [1.16]: 2000/11/20 20:34:23 giles) + - Type 1 CharStrings loaded from disk for type 0 CIDFonts were never +freed, except by garbage collection (which doesn't reclaim chunks with only +a small amount of surviving data). In practice, this probably only affects +the PDF writer. (doc/News.htm [1.71]: 2000/11/23 23:34:23 lpd) + - The pswrite device couldn't write to pipes. The fix involved +expanding the API for opening device OutputFiles so that the individual +driver could specify whether it required, requested, or did not want a +positionable file. Fixes SourceForge bug # 122223. (doc/Use.htm [1.17]: +2000/11/29 02:25:13 lpd) + - The default ps2pdf "distiller parameters" weren't documented +correctly; the parameter values for the other PDFSETTINGS (screen, printer, +prepress) weren't documented at all; the xxxImageDownsampleThreshold +parameters were incorrectly documented as xxxDownsampleThreshold. +(doc/Ps2pdf.htm [1.22]: 2000/12/19 17:55:55 lpd) + - The documentation of the -dSAFER command line switch was +inaccurate. (doc/Use.htm [1.18]: 2000/12/23 01:33:06 lpd) + - documentation for gs_cidcm.ps and gs_dscp.ps was missing. +(doc/Psfiles.htm [1.11]: 2000/12/29 02:17:12 lpd) Adds developer documentation on the color mapping pipeline. (doc/Develop.htm [1.16]: 2000/11/03 04:53:00 lpd) @@ -63,8 +93,137 @@ doc/Develop.htm [1.19]: 2000/11/07 07:34:57 lpd) Expands the description of the color mapping process. (doc/Develop.htm [1.20]: 2000/11/09 05:41:46 lpd) +updates history files 1-4 (historical) to valid html4 and the new stylesheet +(doc/History1.htm [1.4], doc/History2.htm [1.4], doc/History3.htm [1.4], +doc/History4.htm [1.4]: 2000/11/28 22:55:34 giles) + +updates the version 5.x history file to the conforming html4 +(doc/History5.htm [1.6]: 2000/12/01 00:47:08 giles) + +Adds documentation on creating a release directory on the Wisconsin server, +including checking the version numbers of the third-party libraries. +(doc/Release.htm [1.24]: 2000/12/05 21:16:25 lpd) + +Updates documentation to reflect recent improvements in text and DSC comment +handling. (doc/Ps2pdf.htm [1.20]: 2000/12/09 08:01:56 lpd) + +Documents the change from ViewerOrientation to ViewingOrientation in the DSC +parser. (doc/News.htm [1.72]: 2000/12/09 19:53:48 lpd) + +Makes the PDF writer extract orientation and bounding box information from +DSC comments, if present. The orientation is used to set Rotate if +AutoRotatePages is not selected; the bounding box is not yet used for +anything. (doc/Ps2pdf.htm [1.21]: 2000/12/09 19:54:55 lpd) + +adds a brief blurb for Develop.htm (doc/Readme.htm [1.16]: 2000/12/11 +19:39:36 giles) + +In the developer documentation, breaks down several long file lists into +shorter, more focused ones. (doc/Develop.htm [1.21]: 2000/12/12 19:52:49 +lpd) + +Adds some additional documentation on halftones. (doc/Develop.htm [1.22]: +2000/12/15 01:46:57 lpd) + +Adds additional documentation on makefile conventions, and improves a few +other areas. (doc/Develop.htm [1.23]: 2000/12/18 06:45:23 lpd) + +Adds more documentation on makefiles, .dev files, and related topics. +(doc/Develop.htm [1.24]: 2000/12/20 05:09:31 lpd) + +Adds more developer documentation on the PostScript interpreter; divides up +some lists of files to provide more helpful detail. (doc/Develop.htm [1.25]: +2000/12/20 20:15:41 lpd) + +Documents the preferred line breaking and indentation format for assignment +statements, including chain assignments. (doc/C-style.htm [1.8]: 2000/12/22 +16:58:55 lpd) + +Makes some minor corrections and improvements to the developer +documentation. (doc/Develop.htm [1.26]: 2000/12/28 05:57:18 lpd) + +Adds substantial new material on coding conventions for structures, classes, +and subclasses. (doc/C-style.htm [1.9]: 2000/12/28 07:12:38 lpd) + +Documents about 15 additional non-standard operators (the ones most likely +to be used in future code). (doc/Develop.htm [1.27], +doc/Language.htm [1.22]: 2000/12/28 18:29:49 lpd) + +Documents the need to run hrefcov as part of the release process; also fixes +some minor inaccuracies. (doc/Release.htm [1.25]: 2000/12/29 02:12:08 lpd) + +Adds more files to the developer "roadmap" documentation. +(doc/Develop.htm [1.28]: 2000/12/29 02:18:47 lpd) + +Adds the Fontmaps and the contributed drivers to the developer documentation +"roadmap", which is now complete. (doc/Develop.htm [1.29]: 2000/12/29 +02:33:40 lpd) + +Adds some developer documentation on design principles. +(doc/Develop.htm [1.30]: 2000/12/30 22:07:37 lpd) + +Removes or updates no longer appropriate references to Aladdin Enterprises. +(doc/Commprod.htm [1.6], doc/Fonts.htm [1.10], doc/Install.htm [1.11], +doc/Make.htm [1.18], doc/New-user.htm [1.16], doc/Projects.htm [1.21], +doc/Use.htm [1.19]: 2000/12/31 21:43:59 lpd) + +Updates documentation for the Windows uninstall program to reflect the name +change from Aladdin Ghostscript to AFPL Ghostscript. +(doc/Install.htm [1.12]: 2000/12/31 22:26:08 lpd) + +Updates repository for 6.60 release. (doc/Bug-form.htm [1.13], +doc/Bug-info.htm [1.9], doc/C-style.htm [1.10], doc/Commprod.htm [1.7], +doc/Copying.htm [1.5], doc/Current.htm [1.5], doc/DLL.htm [1.6], +doc/Develop.htm [1.31], doc/Devices.htm [1.17], doc/Drivers.htm [1.12], +doc/Fonts.htm [1.11], doc/Helpers.htm [1.8], doc/History1.htm [1.5], +doc/History2.htm [1.5], doc/History3.htm [1.5], doc/History4.htm [1.5], +doc/History5.htm [1.7], doc/History6.htm [1.15], doc/Htmstyle.htm [1.8], +doc/Install.htm [1.13], doc/Language.htm [1.23], doc/Lib.htm [1.5], +doc/Maintain.htm [1.8], doc/Make.htm [1.19], doc/New-user.htm [1.17], +doc/News.htm [1.73], doc/Projects.htm [1.22], doc/Ps-style.htm [1.5], +doc/Ps2epsi.htm [1.6], doc/Ps2pdf.htm [1.23], doc/Psfiles.htm [1.12], +doc/Readme.htm [1.17], doc/Release.htm [1.26], doc/Source.htm [1.5], +doc/Tester.htm [1.5], doc/Unix-lpr.htm [1.5], doc/Use.htm [1.20], +doc/Xfonts.htm [1.5], doc/gs-vms.hlp [1.4], man/dvipdf.1 [1.2], +man/eps2eps.1 [1.3], man/font2c.1 [1.2], man/gs.1 [1.2], man/gslp.1 [1.2], +man/gsnd.1 [1.2], man/pdf2dsc.1 [1.2], man/pdf2ps.1 [1.4], +man/pdfopt.1 [1.2], man/pf2afm.1 [1.2], man/pfbtopfa.1 [1.3], +man/printafm.1 [1.2], man/ps2ascii.1 [1.2], man/ps2epsi.1 [1.2], +man/ps2pdf.1 [1.6], man/ps2pdfwr.1 [1.3], man/ps2ps.1 [1.9], +man/wftopfa.1 [1.2]: 2001/01/01 00:24:05 lpd) + </pre><h2><a name="6.60-Procedures"></a>Procedures</h2><pre> +Fixes problems: + - cvs2hist was generating invalid anchor names and not escaping +special charaters. also enable '-r' commandline option, and pass '-b' if +it's not specified for default branch logs only. Changes.htm now passes the +validator. Minor url cleanup in Release.htm (toolbin/cvs2hist.py [1.4]: +2000/11/10 01:52:35 giles) + - The OS/2 platform code would no longer compile, because the stdio +files are no longer available. (fix from rjl) (os2.mak [1.9]: 2000/12/05 +01:16:26 lpd) + - Embedded font subsets always used similar sequences of prefixes, +making it likely that combining multiple PDF files would lead to clashes; +the code now generates truly random prefixes, using an external source of +random data. (devs.mak [1.39]: 2000/12/10 00:12:23 lpd) + - Fixes a couple of dependency lists that had gotten out of sync. +(devs.mak [1.40]: 2000/12/10 00:17:51 lpd) + - Seek was broken and PDF interpreter failed when +FILE_IMPLEMENTATION=fd The implementation of streams using direct OS calls +is extended to support MSVC && Win32. close_.h is replaced by more +general unistd_.h (lib.mak [1.40]: 2000/12/19 03:35:40 alexcher) + - In the previous fix unistd__h was misspelt as unistd_h . +(lib.mak [1.41]: 2000/12/19 05:35:53 alexcher) + - The recent change for localized man pages didn't update 2 of the 3 +top-level Unix makefiles. (unixansi.mak [1.7], unixtrad.mak [1.7]: +2000/12/23 16:29:53 lpd) + - The list of doc files to be installed had gotten out of date +(Develop.htm, Maintain.htm, and Ps-style.htm were missing). +(unixinst.mak [1.16]: 2000/12/23 16:30:36 lpd) + - unixinst.mak was checked in with the previous fix only partly +done. (unixinst.mak [1.17]: 2000/12/23 16:34:12 lpd) + Collect some stray configuration related externs into iconf.h (int.mak [1.40]: 2000/11/04 06:12:02 rayjj) @@ -79,11 +238,150 @@ accidentally included in the recent fix for local/global VM problems in the PostScript code for using the DSC parser. (devs.mak [1.36]: 2000/11/07 18:54:26 lpd) +Reorganizes some text-writing code in anticipation of adding CIDFont and +CMap support. (devs.mak [1.37]: 2000/11/17 22:11:44 lpd) + +Avoids exporting empty LD_RUN_PATH environment variable to the link process. +This was causing binaries to search the current directory for libraries, +which was a security hole. Fixes SourceForge bug 122532. (ugcclib.mak [1.6], +unixlink.mak [1.3]: 2000/11/28 00:14:48 raph) + +Updates the date and version checker for compatibility with the newest +documentation standards; also makes it check the makefile values of JVERSION +and PVERSION against the currently installed third-party source code. +(toolbin/pre [1.9]: 2000/12/05 21:14:14 lpd) + +Extensively revises and updates the pdfwrite text handling code to support +processing and embedding of all types of fonts (except for Type 3 and +CIDFontType 1, which are defined by PostScript procedures), and all variants +of 'show' (including kshow and glyphshow). In particular, Type 0 fonts with +all FMapTypes (including CMap-based), CIDFontType 0 and 2 fonts, and both +standard and non-standard CMaps are supported. (devs.mak [1.38], +int.mak [1.42], lib.mak [1.38]: 2000/12/08 23:35:37 lpd) + +removes a spurious import of the cgi module (toolbin/cvs2hist.py [1.5]: +2000/12/11 19:40:23 giles) + +Splits off the code for downsampling an oversampled character bitmap into a +separate file. (lib.mak [1.39]: 2000/12/14 00:14:52 lpd) + +Adds a '-t' option to enable text output rather than html, replacing the old +behavior, which was to return text unless a version string was passed with +'-v'. The version string is now set to 'CVS' if no explicit version is +passed, and this is used in the named anchors within the html output. +(toolbin/cvs2hist.py [1.6]: 2000/12/23 09:38:10 giles) + +Adds support for localized manpages to the make 'install' target. On unix +the makefile will now intall any files with the $MAN1EXT extension it finds +under locale subdirs of the man directory that are listed in the MAN_LCDIRS +variable. The $man1dir is correspondingly removed from unix-gcc.mak. Also +adds separate targets: install-doc install-man install-examples +install-libdata (unix-gcc.mak [1.9], unixinst.mak [1.15]: 2000/12/23 +10:10:37 giles) + +Improves the set of files checked by hrefcov +lib. +(toolbin/hrefcov.tcl [1.5]: 2000/12/29 02:16:13 lpd) + +Adds a script for batch-converting PostScript files to PDF, intended to be +useful for testing. (toolbin/many2pdf.tcl [1.1]: 2000/12/31 22:28:09 lpd) + +Updates repository for 6.60 release. (toolbin/pre [1.10], +version.mak [1.24]: 2001/01/01 00:24:06 lpd) + +</pre><h2><a name="6.60-Utilities"></a>Utilities</h2><pre> + +Fixes problems: + - pdfopt.ps used the "unresolved?" procedure from pdf_base.ps, which +has been replaced by the slightly different "resolved?" procedure. +(lib/pdfopt.ps [1.4]: 2000/12/01 04:15:52 lpd) + - The OS/2 platform code would no longer compile, because the stdio +files are no longer available. (fix from rjl) (gp_os2.c [1.5]: 2000/12/05 +01:16:26 lpd) + - File flush method uses file member in stream. On Windows and OS/2 +it is NULL for %stdout or %stderr. So the standard flush method is +installed. (gp_msio.c [1.3], gp_os2.c [1.6]: 2000/12/19 03:44:24 alexcher) + - /NullEncode filter no longer supports fileposition. Replacing +fileposition with .fileposition (lib/impath.ps [1.3]: 2000/12/28 17:06:07 +alexcher) + - _.at file was not deleted in BAT file; SAFER option added to CMD +file. (lib/eps2eps.bat [1.4], lib/eps2eps.cmd [1.2]: 2000/12/30 18:45:37 +alexcher) + +Improves documentation of cid2code.ps by adding a complete usage example. +(lib/cid2code.ps [1.3]: 2000/11/30 18:22:11 lpd) + +Adds extensive documentation to genconf.c; also brings it into line with +current Ghostscript coding standards. (genconf.c [1.4]: 2000/12/20 04:20:34 +lpd) + +Safe mode implemented using DELAYSAFER flag. (lib/pdf2dsc [1.3], +lib/pdf2dsc.bat [1.1], lib/pdf2dsc.ps [1.3]: 2000/12/29 05:03:49 alexcher) + +</pre><h2><a name="6.60-Drivers"></a>Drivers</h2><pre> + +Fixes problems: + - In PDF output, color values of 1.0 were usually written as 0.999. +(bug introduced in version 6.22) (gdevpsdu.c [1.8]: 2000/11/12 07:13:26 lpd) + - The pswrite device couldn't write to pipes. The fix involved +expanding the API for opening device OutputFiles so that the individual +driver could specify whether it required, requested, or did not want a +positionable file. Fixes SourceForge bug # 122223. (gdevps.c [1.13], +gdevpx.c [1.5]: 2000/11/29 02:25:13 lpd) + - Invalid (uninitialized) StripByteCount was being left in file for +the tiff12nc and tiff24nc devices. Needed to call gdev_tiff_end_strip(). +(gdevtfnx.c [1.4]: 2000/12/15 06:09:27 rayjj) + - Fixes bug introduced in gdevxini.c revision 1.5. Don't overwrite +the pixmap handle provided in the GHOSTVIEW environment variable. +(gdevxini.c [1.10]: 2000/12/15 10:18:47 ghostgum) + - The pswrite device produced an extra page if the transfer function +didn't map "1 setgray" to device white. (gdevps.c [1.14]: 2000/12/21 +03:58:54 lpd) + </pre><h2><a name="6.60-PDF_writer"></a>PDF writer</h2><pre> Fixes problems: - kshow caused the PDF writer to revert to bitmapped fonts. Fixes SourceForge bug # 104118. (gdevpdft.c [1.21]: 2000/11/06 04:17:14 lpd) + - The PDF writer didn't handle stroked fonts correctly (they were +filled instead of stroked). (gdevpdf.c [1.23], gdevpdfd.c [1.11], +gdevpdft.c [1.22], gdevpdfx.h [1.23]: 2000/11/12 06:52:08 lpd) + - When mixing filled and stroked fonts, the color wasn't set +correctly. (gdevpdft.c [1.23]: 2000/11/12 07:14:30 lpd) + - The PDF writer incorrectly assumed that in PDF 1.3, the standard +Latin character set was the PostScript 3 extended set (it's actually the old +PostScript Level 2 set). (gdevpdft.c [1.28]: 2000/11/20 18:13:55 lpd) + - Embedded CIDFontType 2 fonts had an incorrect BoundingBox. +(gdevpdff.c [1.14]: 2000/12/09 06:53:25 lpd) + - Embedded font subsets always used similar sequences of prefixes, +making it likely that combining multiple PDF files would lead to clashes; +the code now generates truly random prefixes, using an external source of +random data. (gdevpdf.c [1.26], gdevpdfe.c [1.8], gdevpdff.c [1.15], +gdevpdff.h [1.9], gdevpdfx.h [1.27]: 2000/12/10 00:12:23 lpd) + - Non-embedded Multiple Master instances weren't identified as such +(font Subtype = /MMType1). (gdevpdfw.c [1.7]: 2000/12/11 08:52:01 lpd) + - pdfwrite would crash if a bitmap character was larger than 10Kb +(compressed). The fix simply raises the limit to 1 Mb. (gdevpdft.c [1.30]: +2000/12/13 01:33:37 lpd) + - When processing DSC comments, some constant strings weren't copied +to the heap, possibly causing memory access errors. (gdevpdfp.c [1.16]: +2000/12/16 07:02:35 lpd) + - If the same standard (base 14) font was loaded more than once +(because of save/restore), the PDF file could contain fonts that had +suffixed names (e.g., Helvetica~2) but with data missing as though they were +standard fonts, upsetting Acrobat Reader. Fixes SourceForge bug # 101905. +THIS FIX IS IN A VERY FRAGILE AREA AND MAY INTRODUCE NEW PROBLEMS. +(gdevpdff.c [1.16]: 2000/12/16 08:00:53 lpd) + - The previous fix for copying DSC comment keys to the heap was +unnecessarily complex. (gdevpdfp.c [1.17]: 2000/12/16 19:28:51 lpd) + - Resource usage wasn't tracked separately for Form XObjects (BP/EP +pdfmarks), producing non-compliant files that caused errors from Acrobat. +Fixes SourceForge bug # 102146. (gdevpdf.c [1.28], gdevpdff.c [1.17], +gdevpdff.h [1.10], gdevpdfm.c [1.8], gdevpdfo.c [1.6], gdevpdfo.h [1.6], +gdevpdft.c [1.31], gdevpdfu.c [1.14], gdevpdfw.c [1.8], gdevpdfx.h [1.28]: +2000/12/16 19:36:32 lpd) + - Strict type correctness is required on VMS system. Contributed by +Jouk Jansen joukj@hrem.stm.tudelft.nl (gdevpdfw.c [1.9]: 2000/12/18 21:58:03 +alexcher) Adds the 'hook' for passing DSC comments to the PDF writer, but doesn't actually process any of the comments. NOTE: Part of this code was @@ -91,12 +389,100 @@ accidentally included in the recent fix for local/global VM problems in the PostScript code for using the DSC parser. (gdevpdfp.c [1.13]: 2000/11/07 18:54:26 lpd) +Changes the internal indication of whether to allow font subsetting from a +Boolean to OK, YES, NO. (Unfortunately, I no longer remember why this change +is needed.) (gdevpdfe.c [1.6], gdevpdff.c [1.10], gdevpdff.h [1.5], +gdevpdft.c [1.24]: 2000/11/14 06:57:21 lpd) + +When writing PDF output, adds the ability to convert text in Type 0 fonts to +text in the descendant leaf fonts. This completes the handling of text +output except for CID-keyed fonts. (gdevpdft.c [1.25]: 2000/11/14 16:47:09 +lpd) + +Reorganizes some text-writing code in anticipation of adding CIDFont and +CMap support. (gdevpdff.c [1.11], gdevpdff.h [1.6], gdevpdft.c [1.26]: +2000/11/17 22:11:44 lpd) + +Makes glyphshow no longer revert to bitmapped fonts. Also adds a CIDFont +pseudo-resource, in anticipation of adding CID-keyed font support. +(gdevpdff.c [1.12], gdevpdff.h [1.7], gdevpdft.c [1.27], gdevpdfx.h [1.24]: +2000/11/20 08:31:20 lpd) + +Extensively revises and updates the pdfwrite text handling code to support +processing and embedding of all types of fonts (except for Type 3 and +CIDFontType 1, which are defined by PostScript procedures), and all variants +of 'show' (including kshow and glyphshow). In particular, Type 0 fonts with +all FMapTypes (including CMap-based), CIDFontType 0 and 2 fonts, and both +standard and non-standard CMaps are supported. (gdevpdf.c [1.24], +gdevpdfe.c [1.7], gdevpdff.c [1.13], gdevpdff.h [1.8], gdevpdfs.c [1.1], +gdevpdft.c [1.29], gdevpdfu.c [1.13], gdevpdfw.c [1.6], gdevpdfx.h [1.25]: +2000/12/08 23:35:38 lpd) + +If ParseDSCCommentsForDocInfo is set to true, copies information from DSC +comments Creator, CreationDate, For, and Title into the output's Info +dictionary. (gdevpdfp.c [1.14]: 2000/12/09 07:49:22 lpd) + +Makes the PDF writer extract orientation and bounding box information from +DSC comments, if present. The orientation is used to set Rotate if +AutoRotatePages is not selected; the bounding box is not yet used for +anything. (gdevpdf.c [1.25], gdevpdfp.c [1.15], gdevpdfx.h [1.26]: +2000/12/09 19:54:54 lpd) + +Slightly changes the initialization of the random offset for font subset +prefixes, to work better with low-resolution clocks such as those typical on +PCs. (gdevpdf.c [1.27]: 2000/12/16 19:31:10 lpd) + </pre><h2><a name="6.60-PDF_Interpreter"></a>PDF Interpreter</h2><pre> +Fixes problems: + - Type 0 fonts with a non-standard (embedded) CMap didn't work at +all. (lib/pdf_font.ps [1.15]: 2000/12/02 20:41:52 lpd) + - The PDF interpreter ignored the CIDToGIDMap entry in (embedded) +CIDFontType 2 fonts, producing incorrect output if the map wasn't /Identity. +(lib/pdf_font.ps [1.16]: 2000/12/07 23:41:10 lpd) + - GS didn't dereference indirect objects in Widths array. +(lib/pdf_font.ps [1.17]: 2000/12/17 19:06:19 alexcher) + - Fixes a slight oversight in the true/false/null improvement for +the PDF interpreter. (lib/pdf_base.ps [1.12]: 2000/12/26 04:10:12 lpd) + - When a non-TrueType font was substituted for a TrueType font, the +Encoding in the font descriptor was ignored. This hack was intended to fix +SF bug # 104702, an invalid PDF file, but it broke another case. Removal of +the hack makes GS render both cases similar to AR 4. +(lib/pdf_font.ps [1.18]: 2000/12/26 04:29:30 alexcher) + - The PDF interpreter didn't rotate the CropBox for landscape pages, +producing incorrect output if the input of ps2pdf was a landscape PDF file. +(lib/pdf_main.ps [1.26]: 2000/12/31 01:07:18 lpd) + Improves font substitution by taking the "Narrow" property into account. Fixes SourceForge bug 116460. Fix due to Leon Bottou. (lib/pdf_font.ps [1.13]: 2000/11/05 17:36:28 raph) +Wraps the showpagecontents call in gsave/grestore, so that the graphics +state for drawing annotations is pristine. Fixes Sourceforge bug 123310. +(lib/pdf_main.ps [1.23]: 2000/11/25 22:00:21 raph) + +The published PDF specification says the Encoding name "must be" one of the +3 predefined Encodings, implying that an error should occur if it isn't. +However, Acrobat Reader simply ignores unknown names, and since there are +some buggy applications that rely on this, we do the same. +(lib/pdf_font.ps [1.14]: 2000/11/28 18:55:24 alexcher) + +The PDF specification says that the 'xref' must be on a line by itself. The +code formerly used readline and linene to check this. However, Acrobat +Reader only requires the line to begin with 'xref', and there are enough +applications producing non-compliant PDF files that we have to do this too. +(lib/pdf_main.ps [1.24]: 2000/12/18 03:41:35 alexcher) + +AI8 writes bogus encoding array [0 1 0 0 0 0 0 0] AR doesn't care. So we +have to straighten it up here. (lib/pdf_draw.ps [1.24]: 2000/12/20 19:02:24 +alexcher) + +Makes the PDF interpreter handle true, false, and null specially, rather +than by dictionary lookup, so that the PostScript interpreter can still +process these names using the special fast case for names defined only in +systemdict. (lib/pdf_base.ps [1.11], lib/pdf_main.ps [1.25]: 2000/12/26 +04:08:44 lpd) + </pre><h2><a name="6.60-Interpreter"></a>Interpreter</h2><pre> Fixes problems: @@ -107,6 +493,61 @@ had several local/global VM problems, causing invalidaccess errors. - There was still a bug in the code for passing DSC comments to the PDF writer, causing typecheck errors. (lib/gs_pdfwr.ps [1.8]: 2000/11/07 19:27:14 lpd) + - If the procedure of a FunctionType 4 Function was syntactically +valid but exceeded the maximum stack depth, an attempt was made to free a +string as an object, causing memory corruption. (zfunc4.c [1.6]: 2000/11/11 +17:34:06 lpd) + - Disk-based TrueType fonts caused a memory leak. (Currently, there +are no such fonts, but CIDFontType 2 fonts, and directly-accessed TrueType +fonts, should be made disk-based.) (zfcid1.c [1.4]: 2000/11/22 08:32:07 lpd) + - Type 1 CharStrings loaded from disk for type 0 CIDFonts were never +freed, except by garbage collection (which doesn't reclaim chunks with only +a small amount of surviving data). In practice, this probably only affects +the PDF writer. (zfcid0.c [1.5]: 2000/11/23 23:34:22 lpd) + - Single-byte notdef ranges in CMaps incorrectly incremented the CID +number, rather than assigning the same CID to all characters in the range. +(lib/gs_cmap.ps [1.9]: 2000/11/29 06:58:36 lpd) + - In dictionaries, an int lookup key sometimes didn't match a real +stored key, and vice versa. Fixes SourceForge bug # 123678. (idict.c [1.3]: +2000/11/30 07:13:08 lpd) + - Further tweaking of the logic to clear end_status flags in a +pipeline in the continuation of a procedure write, making it more aggressive +than the previous fix, but less aggressive than the original code. This is a +revised fix for Sourceforge bug 119777. (zfproc.c [1.7]: 2000/12/02 19:58:45 +raph) + - 'gstate' was allowed in global VM even if the current graphics +state included references to structures in local VM (which is, in fact, +normally the case) and the save level was non-zero: this could create a +dangling pointer after the 'restore'. This "fix" is a workaround that simply +prohibits doing this, but a correct fix would copy any such structures. +(zdps1.c [1.3]: 2000/12/02 20:39:37 lpd) + - The first call of check_psc_function in gs_build_function_4 didn't +initialize size to 0, causing the computed value of size to be garbage, +possibly leading to a VMerror or memory corruption. (zfunc4.c [1.7]: +2000/12/03 16:56:31 alexcher) + - The font_info procedure for PostScript fonts other than Type 1 +didn't return information from the FontInfo dictionary (Copyright, +FamilyName, FullName, Notice), causing this information to be omitted when +embedding the font in a PDF file. (ifont.h [1.6], zbfont.c [1.7], +zfont.c [1.3], zfont1.c [1.9]: 2000/12/03 23:35:30 lpd) + - The %%ViewingOrientation: DSC comment was misspelled +%%ViewerOrientation:. This also corrects the CDSC_VIEWINGORIENTATION enum +value (formerly CDSC_VIEWERORIENTATION, and the viewing_orientation members +of the CDSCPAGE structure and the CDSC structure (formerly +viewer_orientation). (dscparse.c [1.3], dscparse.h [1.3], zdscpars.c [1.8]: +2000/12/09 18:28:23 lpd) + - Unitialized member of CDSCPAGE caused random crashes. +(dscparse.c [1.4]: 2000/12/13 07:18:46 alexcher) + - systemdict was being created too small for LanguageLevel 3 +systems. (It expanded properly, but left a sandbar.) (iinit.c [1.3]: +2000/12/26 04:25:54 lpd) + - Expanding a permanent dictionary (systemdict or userdict) +destroyed the single-definition bookkeeping for names defined in that +dictionary, slowing down subsequent interpretation. (idict.c [1.4]: +2000/12/26 06:09:58 lpd) + - Fix to dscparse.c for parsing DOS EPS files. Code now looks for +%!PS-Adobe- at the start of the PostScript section, not at the start of the +DOS EPS header. (dscparse.c [1.5]: 2000/12/28 01:45:01 ghostgum) Collect some stray configuration related externs into iconf.h (imain.c [1.3], imainarg.c [1.5]: 2000/11/04 06:12:02 rayjj) @@ -147,6 +588,72 @@ little functionally duplicated code; changes two incorrect uints to ints PageBoundingBox, BeginDefaults, EndDefaults) to the interface. (zdscpars.c [1.5]: 2000/11/08 07:07:32 lpd) +DSC parser changes: adds %%ViewerOrientation to DSC parser; doesn't flag an +error if %%Pages is absent but one %%Page is found; frees memory if +initialization fails; recognizes general whitespace in some places where +only spaces were recognized before. (changes from gsview@ghostgum.com.au) +(dscparse.c [1.2], dscparse.h [1.2]: 2000/11/13 05:44:58 lpd) + +Adds DSC comment tracing to ps2pdf, if -dDEBUG is specified on the command +line. (lib/gs_pdfwr.ps [1.9]: 2000/11/13 17:03:51 lpd) + +Adds %%EndDefaults, %%For:, and %%ViewerOrientation: to the set of DSC +comments handled by the .parse_dsc_comments operator. (zdscpars.c [1.6]: +2000/11/13 17:06:18 lpd) + +Slightly simplifies the code for creating the internal representation of +CMaps. (lib/gs_cmap.ps [1.8]: 2000/11/16 00:32:00 lpd) + +Changes .buildshading to always apply a ReusableStreamDecode filter to file +and stream DataSources, so that multiple passes over the stream work. This +patch closes SourceForge bug 121810. (lib/gs_ll3.ps [1.7]: 2000/11/16 +00:37:32 raph) + +Makes single-byte CMap ranges convert into a single range in the internal +representation, rather than (largest - smallest + 1) separate single-element +ranges. (lib/gs_cmap.ps [1.10]: 2000/11/29 07:10:27 lpd) + +Adds documentation for the procedures declared in ifont.h. (ifont.h [1.5]: +2000/12/03 23:14:28 lpd) + +Extensively revises and updates the pdfwrite text handling code to support +processing and embedding of all types of fonts (except for Type 3 and +CIDFontType 1, which are defined by PostScript procedures), and all variants +of 'show' (including kshow and glyphshow). In particular, Type 0 fonts with +all FMapTypes (including CMap-based), CIDFontType 0 and 2 fonts, and both +standard and non-standard CMaps are supported. (lib/gs_cidfn.ps [1.18]: +2000/12/08 23:35:38 lpd) + +Makes the default value of ParseDSCCommentsForDocInfo true rather than +false. (lib/gs_pdfwr.ps [1.10]: 2000/12/09 08:00:52 lpd) + +Changes the parsing of the DSC Orientation comments to return -1 .. 3 rather +than 0 or 1. (lib/gs_dscp.ps [1.3], zdscpars.c [1.7]: 2000/12/09 17:52:29 +lpd) + +Changes .parse_dsc_comments to distinguish (document default) +ViewingOrientation from PageViewingOrientation, as for [Page]Orientation. +(zdscpars.c [1.9]: 2000/12/09 19:52:49 lpd) + +Updates the comments with a new proposal for speeding up name lookup in the +interpreter. (dstack.h [1.3]: 2000/12/26 01:20:58 lpd) + +The old code caused gswin crash when console window closes. +(dwimg.cpp [1.3]: 2000/12/26 13:41:40 igorm) + +New flag DELAYSAFER added to defer activation of safety checks. SAFER=false +=> no safety checks SAFER=true, DELAYSAFER=false => safety checks +always SAFER=true, DELAYSAFER=true => safety checks after .setsafe +(lib/gs_init.ps [1.28]: 2000/12/29 04:13:56 alexcher) + +</pre><h2><a name="6.60-Streams"></a>Streams</h2><pre> + +Fixes problems: + - Seek was broken and PDF interpreter failed when +FILE_IMPLEMENTATION=fd The implementation of streams using direct OS calls +is extended to support MSVC && Win32. close_.h is replaced by more +general unistd_.h (sfxfd.c [1.6]: 2000/12/19 03:35:40 alexcher) + </pre><h2><a name="6.60-Library"></a>Library</h2><pre> Fixes problems: @@ -161,6 +668,69 @@ cbuf_size. (gxclbits.c [1.4]: 2000/11/05 18:44:57 raph) - Works around an Acrobat Reader 4 bug that causes AR4 to draw a single pixel, rather than nothing, when filling a subpath consisting only of a moveto. (gdevvec.c [1.8]: 2000/11/07 16:42:28 lpd) + - The PDF writer didn't handle stroked fonts correctly (they were +filled instead of stroked). (gdevvec.c [1.9], gdevvec.h [1.5]: 2000/11/12 +06:52:08 lpd) + - The pdfwrite and pswrite drivers could emit a lineto or rlineto +without a moveto at the beginning of the path. (bug introduced very +recently, by a workaround for an Acrobat Reader bug) (gdevvec.c [1.10]: +2000/11/14 07:41:08 lpd) + - Attempting to write a CFF Type 2 font larger than 32K but smaller +than 64K caused a rangecheck. (gdevpsf2.c [1.8]: 2000/11/19 17:48:08 lpd) + - Computing the default width or the fixed width for a CIDFont or +TrueType font could do a huge amount of unnecessary work. (Probably only +affects the PDF writer.) (gsfont.c [1.3]: 2000/11/20 21:09:09 lpd) + - The Type 1 to Type 2 CharString converter (currently used only by +the PDF writer) often didn't detect invalid CharStrings as input. +(gdevpsfx.c [1.6]: 2000/11/21 02:33:55 lpd) + - The code for writing a CIDFontType0 CFF font mistook Type 2 +CharStrings for Type 1, and tried to convert them to Type 2. (This currently +affects only the PDF writer.) (gdevpsf2.c [1.9]: 2000/11/21 02:35:59 lpd) + - Disk-based TrueType fonts caused a memory leak. (Currently, there +are no such fonts, but CIDFontType 2 fonts, and directly-accessed TrueType +fonts, should be made disk-based.) (gdevpsft.c [1.5], gstype42.c [1.10]: +2000/11/22 08:32:07 lpd) + - Type 1 CharStrings loaded from disk for type 0 CIDFonts were never +freed, except by garbage collection (which doesn't reclaim chunks with only +a small amount of surviving data). In practice, this probably only affects +the PDF writer. (gsfcid.c [1.5], gstype1.c [1.6], gstype2.c [1.9], +gxfont1.h [1.5], gxtype1.c [1.8], gxtype1.h [1.5]: 2000/11/23 23:34:22 lpd) + - The pswrite device couldn't write to pipes. The fix involved +expanding the API for opening device OutputFiles so that the individual +driver could specify whether it required, requested, or did not want a +positionable file. Fixes SourceForge bug # 122223. (gdevpipe.c [1.4], +gdevvec.c [1.11], gdevvec.h [1.6], gsdevice.c [1.8]: 2000/11/29 02:25:13 +lpd) + - The change for freeing transient CharStrings introduced two bugs, +possibly causing the code to free data twice, or to free data that should be +retained. (gdevpsfx.c [1.8]: 2000/11/30 05:58:19 lpd) + - Allocates graphics state path in stable memory. This prevents +paths in Type 3 fonts allocated inside a save ... setcachedevice ... restore +sequence from being prematurely freed. Fixes SourceForge bug 101549. +(gspath1.c [1.3], gsstate.c [1.6]: 2000/12/04 21:13:55 raph) + - An inadvertent change caused the graphics state not to be freed on +grestore. This fix, due to lpd, restores the freeing statement. +(gsstate.c [1.7]: 2000/12/05 09:24:57 raph) + - The pointers to the substituted color spaces in the graphics state +weren't included in the structure descriptor, causing memory access errors +if UseCIEColor was used. (gsstate.c [1.8]: 2000/12/11 04:06:22 alexcher) + - In TrueType fonts, glyph outlines starting with an off-curve point +didn't render correctly, replacing the curve with a pair of straight lines. +(gstype42.c [1.11]: 2000/12/12 22:27:56 alexcher) + - Strict type correctness is required on VMS system. Contributed by +Jouk Jansen joukj@hrem.stm.tudelft.nl (gdevpsf2.c [1.12], gsfcmap.c [1.13]: +2000/12/18 21:58:03 alexcher) + - Seek was broken and PDF interpreter failed when +FILE_IMPLEMENTATION=fd The implementation of streams using direct OS calls +is extended to support MSVC && Win32. close_.h is replaced by more +general unistd_.h (gpmisc.c [1.9]: 2000/12/19 03:35:40 alexcher) + - Fixes a subtle logic bug in the scan line path filling code, which +unfortunately involved rewriting the code from scratch. The new code is also +somewhat subtle, and may contain new bugs: DON'T TRUST IT YET. Fixes +SourceForge bug # 117066. (gxfill.c [1.7]: 2000/12/23 06:02:39 lpd) + - Embedded Type 1 fonts omitted StdVW. (Acrobat Reader requires +this, even though the Type 1 specification says it is optional.) +(gdevpsf1.c [1.8]: 2000/12/29 01:18:55 lpd) Adds developer documentation on the color mapping pipeline. (gxfrac.h [1.3]: 2000/11/03 04:53:00 lpd) @@ -172,4 +742,77 @@ Adds a param_string_from_transient_string macro, to parallel param_string_from_string for non-permanent C strings. (gsparam.h [1.8]: 2000/11/08 06:56:50 lpd) +Adds a macro for declaring suffix subclasses with 5 added pointers (in +addition to the existing 1, 2, 3, 4, and 6). (gsstruct.h [1.6]: 2000/11/21 +16:46:55 lpd) + +Adds a procedure for testing whether a glyph is a "notdef" in a font, +necessary for fixing a memory consumption problem when accessing type 0 +CIDFonts. (gsfont.c [1.4], gxfont.h [1.3]: 2000/11/23 23:23:40 lpd) + +Speeds up the slow case of fixed_mult_quo by nearly a factor of 2, by using +a tiny bit of numerical analysis. (gsmisc.c [1.9], gxfixed.h [1.3]: +2000/11/24 06:53:23 lpd) + +Improves the performance of embedded font writing by freeing strings when no +longer needed, and by removing redundant computation. (Currently relevant +only to the PDF writer.) (gdevpsf1.c [1.7], gdevpsf2.c [1.10], +gdevpsfu.c [1.5], gdevpsfx.c [1.7]: 2000/11/24 07:10:41 lpd) + +Adds a procedure for creating an Identity CMap, needed by the PDF writer. +(gsfcmap.c [1.11], gxfcmap.h [1.6]: 2000/11/26 04:08:41 lpd) + +Implements the stopgap measure of increasing fill_adjust for Coons patch +shading, to cover the dropouts caused by incorrect triangulation of the mesh +surface. See SourceForge Bug 119588 for a more thorough analysis. +(gsptype2.c [1.4], gxshade4.c [1.4]: 2000/11/29 01:31:30 raph) + +Adds an internal unique ID to CMap structures (gs_cmap_t), for use as a +cache or comparison key. (gsfcmap.c [1.12], gxfcmap.h [1.7]: 2000/11/29 +05:50:03 lpd) + +The old code did not comply ISO/IEC C language standard and compiled wrongly +to Mac, causing halftone problem on Mac. (gshtscr.c [1.5]: 2000/11/29 +14:41:34 igorm) + +Adds macros for suffix subclass structures with 7 or 8 additional pointers +(1-6 and 9 existed already). (gsstruct.h [1.7]: 2000/12/04 01:11:53 lpd) + +Extensively revises and updates the pdfwrite text handling code to support +processing and embedding of all types of fonts (except for Type 3 and +CIDFontType 1, which are defined by PostScript procedures), and all variants +of 'show' (including kshow and glyphshow). In particular, Type 0 fonts with +all FMapTypes (including CMap-based), CIDFontType 0 and 2 fonts, and both +standard and non-standard CMaps are supported. (gdevpsf.h [1.9], +gdevpsf2.c [1.11], gdevpsfm.c [1.4], gdevpsft.c [1.6], gdevpsfu.c [1.6]: +2000/12/08 23:35:38 lpd) + +Moves definitions of gs_state_do_ptrs and gs_state_num_ptrs from gsstate.c +to gzstate.h since they depend on the contents of struct gs_state_s defined +there. (gsstate.c [1.9], gzstate.h [1.4]: 2000/12/11 12:52:16 alexcher) + +Splits off the code for downsampling an oversampled character bitmap into a +separate file. (gsbitcom.c [1.1], gsbitops.c [1.3]: 2000/12/14 00:14:52 lpd) + +branches: 1.1.2; Fix: Seek was broken and PDF interpreter failed when +FILE_IMPLEMENTATION=fd The implementation of streams using direct OS calls +is extended to support MSVC && Win32. close_.h is replaced by more +general unistd_.h (unistd_.h [1.1]: 2000/12/19 03:35:40 alexcher) + +Brings gxfill.c up to date with current coding standards (except for adding +_t to the names of locally defined structure types); also puts #ifdef +FILL_TRAPEZOIDS around a little more code that tests 'if (fill_trapezoids)'. +(gxfill.c [1.6]: 2000/12/21 16:10:36 lpd) + +Updates repository for 6.60 release. (gscdef.c [1.11]: 2001/01/01 00:24:06 +lpd) + +</pre><h2><a name="6.60-Other"></a>Other</h2><pre> + +Fixes problems: + - Seek was broken and PDF interpreter failed when +FILE_IMPLEMENTATION=fd The implementation of streams using direct OS calls +is extended to support MSVC && Win32. close_.h is replaced by more +general unistd_.h (close_.h [1.3]: 2000/12/19 03:35:40 alexcher) + </pre></body></html> diff --git a/gs/doc/History6.htm b/gs/doc/History6.htm index 1737823d8..2c2f1ca2a 100644 --- a/gs/doc/History6.htm +++ b/gs/doc/History6.htm @@ -29,6 +29,20 @@ <h2>Table of contents</h2> <blockquote><ul> +<li><a href="#Version6.60">Version 6.60 (2000-12-31)</a> +<ul> +<li><a href="#6.60_Incompatible_changes">Incompatible changes</a>, + <a href="#6.60-Documentation">Documentation</a>, + <a href="#6.60-Procedures">Procedures</a>, + <a href="#6.60-Utilities">Utilities</a>, + <a href="#6.60-Drivers">Drivers</a>, + <a href="#6.60-PDF_writer">PDF writer</a>, + <a href="#6.60-PDF_Interpreter">PDF Interpreter</a>, + <a href="#6.60-Interpreter">Interpreter</a>, + <a href="#6.60-Streams">Streams</a>, + <a href="#6.60-Library">Library</a>, + <a href="#6.60-Other">Other</a> +</ul> <li><a href="#Version6.30">Version 6.30 (2000-10-03)</a> <ul> <li><a href="#6.30_Incompatible_changes">Incompatible changes</a>, @@ -161,6 +175,850 @@ release. <hr> +<h1><a name="Version6.60"></a>Version 6.60 (2000-12-31)</h1> + +<p> +This long-overdue fileset includes major new developer documentation, major +improvements in the PDF writer (for embedded fonts and for DSC comments), +and lots of bug fixes. Unfortunately, for unknown reasons, the release +"smoke test" loops forever on the file data/ps/screen.ps -- but only when +compiled in 'production' mode, not in 'debug' mode. We suspect a gcc bug, +but don't have the time to track it down before the end of the millennium. + +<p> +All problems registered on SourceForge numbered 127190 or lower are closed, +except for the following: 101814, 101955, 102735, 105289, 106652, 109350, +111449, 113116, 113799, 114084, 115256, 116461, 117260, 119676, 119677, +119798, 120967, 121582, 121715, 122426, 122532, 122534, 122683, 122727, +123005, 123091, 123702, 123754, 123867, 123896, 123992, 124042, 124056, +124095, 124134, 124205, 124863, 124973, 126364, 126391, 126462, 126477, +126506, 126584, 126771, 126943, 127062, 127090, 127190. + +<h3><a name="6.60_Incompatible_changes"></a>Incompatible changes</h3> + +<pre> +(Interpreter) + - With WMode = 1, CID-keyed fonts with no Metrics2 now use default +metrics computed from FontBBox rather than the horizontal metrics. +(PDF interpreter) + - The interpreter now skips to the next EOL after reading the data +following the ID operator. + - The incorrectly named ViewerOrientation DSC comment is now +corrected to ViewingOrientation. +(Streams) + - All decoding filters that recognize an EOD in the source data +must now have an init procedure that sets state->min_left = 1. +(Library) + - The glyph_data, subr_data, and seac_data procedures in a Type 1 +font (gs_type1_data_procs), and the glyph_data procedure passed to +psf_{check,get}_outline_glyphs, must now return 1 iff the outline string was +newly allocated and should be freed by the caller, like the get_outline +procedure of Type 42 fonts (gs_type42_data). + - The ip_state structure is renamed ip_state_t, and has a new +member, free_char_string. + - The incorrectly named ViewerOrientation DSC comment is now +corrected to ViewingOrientation, and the viewer_orientation members of +the DSC parsing structure are corrected to viewing_orientation. + + + +<h2><a name="6.60-Documentation"></a>Documentation</h2><pre> + +Fixes problems: + - An isolated ampersand needed to be converted to the HTML form. +(doc/Bug-form.htm [1.12]: 2000/11/04 17:53:57 lpd) + - cvs2hist was generating invalid anchor names and not escaping +special charaters. also enable '-r' commandline option, and pass '-b' if +it's not specified for default branch logs only. Changes.htm now passes the +validator. Minor url cleanup in Release.htm (doc/Changes.htm [1.19], +doc/Release.htm [1.23]: 2000/11/10 01:52:35 giles) + - Removes obsolete documentation reference to -DUsePrinterImages and +clarifies the entry for the replacing -DPrinted. Fixes sourceforge bug # +121907. (doc/Use.htm [1.16]: 2000/11/20 20:34:23 giles) + - Type 1 CharStrings loaded from disk for type 0 CIDFonts were never +freed, except by garbage collection (which doesn't reclaim chunks with only +a small amount of surviving data). In practice, this probably only affects +the PDF writer. (doc/News.htm [1.71]: 2000/11/23 23:34:23 lpd) + - The pswrite device couldn't write to pipes. The fix involved +expanding the API for opening device OutputFiles so that the individual +driver could specify whether it required, requested, or did not want a +positionable file. Fixes SourceForge bug # 122223. (doc/Use.htm [1.17]: +2000/11/29 02:25:13 lpd) + - The default ps2pdf "distiller parameters" weren't documented +correctly; the parameter values for the other PDFSETTINGS (screen, printer, +prepress) weren't documented at all; the xxxImageDownsampleThreshold +parameters were incorrectly documented as xxxDownsampleThreshold. +(doc/Ps2pdf.htm [1.22]: 2000/12/19 17:55:55 lpd) + - The documentation of the -dSAFER command line switch was +inaccurate. (doc/Use.htm [1.18]: 2000/12/23 01:33:06 lpd) + - documentation for gs_cidcm.ps and gs_dscp.ps was missing. +(doc/Psfiles.htm [1.11]: 2000/12/29 02:17:12 lpd) + +Adds developer documentation on the color mapping pipeline. +(doc/Develop.htm [1.16]: 2000/11/03 04:53:00 lpd) + +switch to Tobias Burnus' stylesheet for the B-D html documentation, along +with some minor cleanups (doc/Bug-form.htm [1.10], doc/Bug-info.htm [1.8], +doc/C-style.htm [1.6], doc/Commprod.htm [1.4], doc/Copying.htm [1.4], +doc/Current.htm [1.4], doc/DLL.htm [1.4], doc/Develop.htm [1.17], +doc/Devices.htm [1.14], doc/Drivers.htm [1.10], doc/gs.css [1.1]: 2000/11/03 +06:42:42 giles) + +update remaining file links in Develop.htm to <dl> format, plus +additional cleanup (doc/Commprod.htm [1.5], doc/DLL.htm [1.5], +doc/Develop.htm [1.18], doc/Devices.htm [1.15], doc/Drivers.htm [1.11]: +2000/11/03 20:15:55 giles) + +Lists all the monochrome TIFF drivers individually, rather than as a class. +(doc/Devices.htm [1.16]: 2000/11/03 23:33:18 lpd) + +Switches the rest of the human-maintained html documentation to the new +stylesheet. We now pass validator.w3.org for HTML 4.01 with the exception of +an error I couldn't figure out in Bug-form.htm. (doc/Bug-form.htm [1.11], +doc/Fonts.htm [1.9], doc/Helpers.htm [1.7], doc/Hershey.htm [1.3], +doc/Htmstyle.htm [1.7], doc/Humor.htm [1.2], doc/Install.htm [1.10], +doc/Language.htm [1.21], doc/Lib.htm [1.4], doc/Maintain.htm [1.7], +doc/Make.htm [1.17], doc/New-user.htm [1.15], doc/Projects.htm [1.20], +doc/Ps-style.htm [1.4], doc/Ps2epsi.htm [1.5], doc/Ps2pdf.htm [1.19], +doc/Psfiles.htm [1.10], doc/Public.htm [1.4], doc/Readme.htm [1.15], +doc/Release.htm [1.22], doc/Source.htm [1.4], doc/Tester.htm [1.4], +doc/Unix-lpr.htm [1.4], doc/Use.htm [1.15], doc/Xfonts.htm [1.4], +doc/index.html [1.2]: 2000/11/04 05:00:00 giles) + +updated News.htm to use gs.css (doc/News.htm [1.70]: 2000/11/04 21:59:35 +giles) + +Adds documentation on Ghostscript's object-oriented coding conventions, and +more documentation on error generation. (doc/C-style.htm [1.7], +doc/Develop.htm [1.19]: 2000/11/07 07:34:57 lpd) + +Expands the description of the color mapping process. +(doc/Develop.htm [1.20]: 2000/11/09 05:41:46 lpd) + +updates history files 1-4 (historical) to valid html4 and the new stylesheet +(doc/History1.htm [1.4], doc/History2.htm [1.4], doc/History3.htm [1.4], +doc/History4.htm [1.4]: 2000/11/28 22:55:34 giles) + +updates the version 5.x history file to the conforming html4 +(doc/History5.htm [1.6]: 2000/12/01 00:47:08 giles) + +Adds documentation on creating a release directory on the Wisconsin server, +including checking the version numbers of the third-party libraries. +(doc/Release.htm [1.24]: 2000/12/05 21:16:25 lpd) + +Updates documentation to reflect recent improvements in text and DSC comment +handling. (doc/Ps2pdf.htm [1.20]: 2000/12/09 08:01:56 lpd) + +Documents the change from ViewerOrientation to ViewingOrientation in the DSC +parser. (doc/News.htm [1.72]: 2000/12/09 19:53:48 lpd) + +Makes the PDF writer extract orientation and bounding box information from +DSC comments, if present. The orientation is used to set Rotate if +AutoRotatePages is not selected; the bounding box is not yet used for +anything. (doc/Ps2pdf.htm [1.21]: 2000/12/09 19:54:55 lpd) + +adds a brief blurb for Develop.htm (doc/Readme.htm [1.16]: 2000/12/11 +19:39:36 giles) + +In the developer documentation, breaks down several long file lists into +shorter, more focused ones. (doc/Develop.htm [1.21]: 2000/12/12 19:52:49 +lpd) + +Adds some additional documentation on halftones. (doc/Develop.htm [1.22]: +2000/12/15 01:46:57 lpd) + +Adds additional documentation on makefile conventions, and improves a few +other areas. (doc/Develop.htm [1.23]: 2000/12/18 06:45:23 lpd) + +Adds more documentation on makefiles, .dev files, and related topics. +(doc/Develop.htm [1.24]: 2000/12/20 05:09:31 lpd) + +Adds more developer documentation on the PostScript interpreter; divides up +some lists of files to provide more helpful detail. (doc/Develop.htm [1.25]: +2000/12/20 20:15:41 lpd) + +Documents the preferred line breaking and indentation format for assignment +statements, including chain assignments. (doc/C-style.htm [1.8]: 2000/12/22 +16:58:55 lpd) + +Makes some minor corrections and improvements to the developer +documentation. (doc/Develop.htm [1.26]: 2000/12/28 05:57:18 lpd) + +Adds substantial new material on coding conventions for structures, classes, +and subclasses. (doc/C-style.htm [1.9]: 2000/12/28 07:12:38 lpd) + +Documents about 15 additional non-standard operators (the ones most likely +to be used in future code). (doc/Develop.htm [1.27], +doc/Language.htm [1.22]: 2000/12/28 18:29:49 lpd) + +Documents the need to run hrefcov as part of the release process; also fixes +some minor inaccuracies. (doc/Release.htm [1.25]: 2000/12/29 02:12:08 lpd) + +Adds more files to the developer "roadmap" documentation. +(doc/Develop.htm [1.28]: 2000/12/29 02:18:47 lpd) + +Adds the Fontmaps and the contributed drivers to the developer documentation +"roadmap", which is now complete. (doc/Develop.htm [1.29]: 2000/12/29 +02:33:40 lpd) + +Adds some developer documentation on design principles. +(doc/Develop.htm [1.30]: 2000/12/30 22:07:37 lpd) + +Removes or updates no longer appropriate references to Aladdin Enterprises. +(doc/Commprod.htm [1.6], doc/Fonts.htm [1.10], doc/Install.htm [1.11], +doc/Make.htm [1.18], doc/New-user.htm [1.16], doc/Projects.htm [1.21], +doc/Use.htm [1.19]: 2000/12/31 21:43:59 lpd) + +Updates documentation for the Windows uninstall program to reflect the name +change from Aladdin Ghostscript to AFPL Ghostscript. +(doc/Install.htm [1.12]: 2000/12/31 22:26:08 lpd) + +Updates repository for 6.60 release. (doc/Bug-form.htm [1.13], +doc/Bug-info.htm [1.9], doc/C-style.htm [1.10], doc/Commprod.htm [1.7], +doc/Copying.htm [1.5], doc/Current.htm [1.5], doc/DLL.htm [1.6], +doc/Develop.htm [1.31], doc/Devices.htm [1.17], doc/Drivers.htm [1.12], +doc/Fonts.htm [1.11], doc/Helpers.htm [1.8], doc/History1.htm [1.5], +doc/History2.htm [1.5], doc/History3.htm [1.5], doc/History4.htm [1.5], +doc/History5.htm [1.7], doc/History6.htm [1.15], doc/Htmstyle.htm [1.8], +doc/Install.htm [1.13], doc/Language.htm [1.23], doc/Lib.htm [1.5], +doc/Maintain.htm [1.8], doc/Make.htm [1.19], doc/New-user.htm [1.17], +doc/News.htm [1.73], doc/Projects.htm [1.22], doc/Ps-style.htm [1.5], +doc/Ps2epsi.htm [1.6], doc/Ps2pdf.htm [1.23], doc/Psfiles.htm [1.12], +doc/Readme.htm [1.17], doc/Release.htm [1.26], doc/Source.htm [1.5], +doc/Tester.htm [1.5], doc/Unix-lpr.htm [1.5], doc/Use.htm [1.20], +doc/Xfonts.htm [1.5], doc/gs-vms.hlp [1.4], man/dvipdf.1 [1.2], +man/eps2eps.1 [1.3], man/font2c.1 [1.2], man/gs.1 [1.2], man/gslp.1 [1.2], +man/gsnd.1 [1.2], man/pdf2dsc.1 [1.2], man/pdf2ps.1 [1.4], +man/pdfopt.1 [1.2], man/pf2afm.1 [1.2], man/pfbtopfa.1 [1.3], +man/printafm.1 [1.2], man/ps2ascii.1 [1.2], man/ps2epsi.1 [1.2], +man/ps2pdf.1 [1.6], man/ps2pdfwr.1 [1.3], man/ps2ps.1 [1.9], +man/wftopfa.1 [1.2]: 2001/01/01 00:24:05 lpd) + +</pre><h2><a name="6.60-Procedures"></a>Procedures</h2><pre> + +Fixes problems: + - cvs2hist was generating invalid anchor names and not escaping +special charaters. also enable '-r' commandline option, and pass '-b' if +it's not specified for default branch logs only. Changes.htm now passes the +validator. Minor url cleanup in Release.htm (toolbin/cvs2hist.py [1.4]: +2000/11/10 01:52:35 giles) + - The OS/2 platform code would no longer compile, because the stdio +files are no longer available. (fix from rjl) (os2.mak [1.9]: 2000/12/05 +01:16:26 lpd) + - Embedded font subsets always used similar sequences of prefixes, +making it likely that combining multiple PDF files would lead to clashes; +the code now generates truly random prefixes, using an external source of +random data. (devs.mak [1.39]: 2000/12/10 00:12:23 lpd) + - Fixes a couple of dependency lists that had gotten out of sync. +(devs.mak [1.40]: 2000/12/10 00:17:51 lpd) + - Seek was broken and PDF interpreter failed when +FILE_IMPLEMENTATION=fd The implementation of streams using direct OS calls +is extended to support MSVC && Win32. close_.h is replaced by more +general unistd_.h (lib.mak [1.40]: 2000/12/19 03:35:40 alexcher) + - In the previous fix unistd__h was misspelt as unistd_h . +(lib.mak [1.41]: 2000/12/19 05:35:53 alexcher) + - The recent change for localized man pages didn't update 2 of the 3 +top-level Unix makefiles. (unixansi.mak [1.7], unixtrad.mak [1.7]: +2000/12/23 16:29:53 lpd) + - The list of doc files to be installed had gotten out of date +(Develop.htm, Maintain.htm, and Ps-style.htm were missing). +(unixinst.mak [1.16]: 2000/12/23 16:30:36 lpd) + - unixinst.mak was checked in with the previous fix only partly +done. (unixinst.mak [1.17]: 2000/12/23 16:34:12 lpd) + +Collect some stray configuration related externs into iconf.h +(int.mak [1.40]: 2000/11/04 06:12:02 rayjj) + +Adds DSC parsing capability to the PostScript interpreter, with an optional +'feature' to use the DSC Orientation comments to compensate for sloppy +PostScript producers that don't emit an appropriate setpagedevice command. +(int.mak [1.41]: 2000/11/05 18:33:53 lpd) + +Adds the 'hook' for passing DSC comments to the PDF writer, but doesn't +actually process any of the comments. NOTE: Part of this code was +accidentally included in the recent fix for local/global VM problems in the +PostScript code for using the DSC parser. (devs.mak [1.36]: 2000/11/07 +18:54:26 lpd) + +Reorganizes some text-writing code in anticipation of adding CIDFont and +CMap support. (devs.mak [1.37]: 2000/11/17 22:11:44 lpd) + +Avoids exporting empty LD_RUN_PATH environment variable to the link process. +This was causing binaries to search the current directory for libraries, +which was a security hole. Fixes SourceForge bug 122532. (ugcclib.mak [1.6], +unixlink.mak [1.3]: 2000/11/28 00:14:48 raph) + +Updates the date and version checker for compatibility with the newest +documentation standards; also makes it check the makefile values of JVERSION +and PVERSION against the currently installed third-party source code. +(toolbin/pre [1.9]: 2000/12/05 21:14:14 lpd) + +Extensively revises and updates the pdfwrite text handling code to support +processing and embedding of all types of fonts (except for Type 3 and +CIDFontType 1, which are defined by PostScript procedures), and all variants +of 'show' (including kshow and glyphshow). In particular, Type 0 fonts with +all FMapTypes (including CMap-based), CIDFontType 0 and 2 fonts, and both +standard and non-standard CMaps are supported. (devs.mak [1.38], +int.mak [1.42], lib.mak [1.38]: 2000/12/08 23:35:37 lpd) + +removes a spurious import of the cgi module (toolbin/cvs2hist.py [1.5]: +2000/12/11 19:40:23 giles) + +Splits off the code for downsampling an oversampled character bitmap into a +separate file. (lib.mak [1.39]: 2000/12/14 00:14:52 lpd) + +Adds a '-t' option to enable text output rather than html, replacing the old +behavior, which was to return text unless a version string was passed with +'-v'. The version string is now set to 'CVS' if no explicit version is +passed, and this is used in the named anchors within the html output. +(toolbin/cvs2hist.py [1.6]: 2000/12/23 09:38:10 giles) + +Adds support for localized manpages to the make 'install' target. On unix +the makefile will now intall any files with the $MAN1EXT extension it finds +under locale subdirs of the man directory that are listed in the MAN_LCDIRS +variable. The $man1dir is correspondingly removed from unix-gcc.mak. Also +adds separate targets: install-doc install-man install-examples +install-libdata (unix-gcc.mak [1.9], unixinst.mak [1.15]: 2000/12/23 +10:10:37 giles) + +Improves the set of files checked by hrefcov +lib. +(toolbin/hrefcov.tcl [1.5]: 2000/12/29 02:16:13 lpd) + +Adds a script for batch-converting PostScript files to PDF, intended to be +useful for testing. (toolbin/many2pdf.tcl [1.1]: 2000/12/31 22:28:09 lpd) + +Updates repository for 6.60 release. (toolbin/pre [1.10], +version.mak [1.24]: 2001/01/01 00:24:06 lpd) + +</pre><h2><a name="6.60-Utilities"></a>Utilities</h2><pre> + +Fixes problems: + - pdfopt.ps used the "unresolved?" procedure from pdf_base.ps, which +has been replaced by the slightly different "resolved?" procedure. +(lib/pdfopt.ps [1.4]: 2000/12/01 04:15:52 lpd) + - The OS/2 platform code would no longer compile, because the stdio +files are no longer available. (fix from rjl) (gp_os2.c [1.5]: 2000/12/05 +01:16:26 lpd) + - File flush method uses file member in stream. On Windows and OS/2 +it is NULL for %stdout or %stderr. So the standard flush method is +installed. (gp_msio.c [1.3], gp_os2.c [1.6]: 2000/12/19 03:44:24 alexcher) + - /NullEncode filter no longer supports fileposition. Replacing +fileposition with .fileposition (lib/impath.ps [1.3]: 2000/12/28 17:06:07 +alexcher) + - _.at file was not deleted in BAT file; SAFER option added to CMD +file. (lib/eps2eps.bat [1.4], lib/eps2eps.cmd [1.2]: 2000/12/30 18:45:37 +alexcher) + +Improves documentation of cid2code.ps by adding a complete usage example. +(lib/cid2code.ps [1.3]: 2000/11/30 18:22:11 lpd) + +Adds extensive documentation to genconf.c; also brings it into line with +current Ghostscript coding standards. (genconf.c [1.4]: 2000/12/20 04:20:34 +lpd) + +Safe mode implemented using DELAYSAFER flag. (lib/pdf2dsc [1.3], +lib/pdf2dsc.bat [1.1], lib/pdf2dsc.ps [1.3]: 2000/12/29 05:03:49 alexcher) + +</pre><h2><a name="6.60-Drivers"></a>Drivers</h2><pre> + +Fixes problems: + - In PDF output, color values of 1.0 were usually written as 0.999. +(bug introduced in version 6.22) (gdevpsdu.c [1.8]: 2000/11/12 07:13:26 lpd) + - The pswrite device couldn't write to pipes. The fix involved +expanding the API for opening device OutputFiles so that the individual +driver could specify whether it required, requested, or did not want a +positionable file. Fixes SourceForge bug # 122223. (gdevps.c [1.13], +gdevpx.c [1.5]: 2000/11/29 02:25:13 lpd) + - Invalid (uninitialized) StripByteCount was being left in file for +the tiff12nc and tiff24nc devices. Needed to call gdev_tiff_end_strip(). +(gdevtfnx.c [1.4]: 2000/12/15 06:09:27 rayjj) + - Fixes bug introduced in gdevxini.c revision 1.5. Don't overwrite +the pixmap handle provided in the GHOSTVIEW environment variable. +(gdevxini.c [1.10]: 2000/12/15 10:18:47 ghostgum) + - The pswrite device produced an extra page if the transfer function +didn't map "1 setgray" to device white. (gdevps.c [1.14]: 2000/12/21 +03:58:54 lpd) + +</pre><h2><a name="6.60-PDF_writer"></a>PDF writer</h2><pre> + +Fixes problems: + - kshow caused the PDF writer to revert to bitmapped fonts. Fixes +SourceForge bug # 104118. (gdevpdft.c [1.21]: 2000/11/06 04:17:14 lpd) + - The PDF writer didn't handle stroked fonts correctly (they were +filled instead of stroked). (gdevpdf.c [1.23], gdevpdfd.c [1.11], +gdevpdft.c [1.22], gdevpdfx.h [1.23]: 2000/11/12 06:52:08 lpd) + - When mixing filled and stroked fonts, the color wasn't set +correctly. (gdevpdft.c [1.23]: 2000/11/12 07:14:30 lpd) + - The PDF writer incorrectly assumed that in PDF 1.3, the standard +Latin character set was the PostScript 3 extended set (it's actually the old +PostScript Level 2 set). (gdevpdft.c [1.28]: 2000/11/20 18:13:55 lpd) + - Embedded CIDFontType 2 fonts had an incorrect BoundingBox. +(gdevpdff.c [1.14]: 2000/12/09 06:53:25 lpd) + - Embedded font subsets always used similar sequences of prefixes, +making it likely that combining multiple PDF files would lead to clashes; +the code now generates truly random prefixes, using an external source of +random data. (gdevpdf.c [1.26], gdevpdfe.c [1.8], gdevpdff.c [1.15], +gdevpdff.h [1.9], gdevpdfx.h [1.27]: 2000/12/10 00:12:23 lpd) + - Non-embedded Multiple Master instances weren't identified as such +(font Subtype = /MMType1). (gdevpdfw.c [1.7]: 2000/12/11 08:52:01 lpd) + - pdfwrite would crash if a bitmap character was larger than 10Kb +(compressed). The fix simply raises the limit to 1 Mb. (gdevpdft.c [1.30]: +2000/12/13 01:33:37 lpd) + - When processing DSC comments, some constant strings weren't copied +to the heap, possibly causing memory access errors. (gdevpdfp.c [1.16]: +2000/12/16 07:02:35 lpd) + - If the same standard (base 14) font was loaded more than once +(because of save/restore), the PDF file could contain fonts that had +suffixed names (e.g., Helvetica~2) but with data missing as though they were +standard fonts, upsetting Acrobat Reader. Fixes SourceForge bug # 101905. +THIS FIX IS IN A VERY FRAGILE AREA AND MAY INTRODUCE NEW PROBLEMS. +(gdevpdff.c [1.16]: 2000/12/16 08:00:53 lpd) + - The previous fix for copying DSC comment keys to the heap was +unnecessarily complex. (gdevpdfp.c [1.17]: 2000/12/16 19:28:51 lpd) + - Resource usage wasn't tracked separately for Form XObjects (BP/EP +pdfmarks), producing non-compliant files that caused errors from Acrobat. +Fixes SourceForge bug # 102146. (gdevpdf.c [1.28], gdevpdff.c [1.17], +gdevpdff.h [1.10], gdevpdfm.c [1.8], gdevpdfo.c [1.6], gdevpdfo.h [1.6], +gdevpdft.c [1.31], gdevpdfu.c [1.14], gdevpdfw.c [1.8], gdevpdfx.h [1.28]: +2000/12/16 19:36:32 lpd) + - Strict type correctness is required on VMS system. Contributed by +Jouk Jansen joukj@hrem.stm.tudelft.nl (gdevpdfw.c [1.9]: 2000/12/18 21:58:03 +alexcher) + +Adds the 'hook' for passing DSC comments to the PDF writer, but doesn't +actually process any of the comments. NOTE: Part of this code was +accidentally included in the recent fix for local/global VM problems in the +PostScript code for using the DSC parser. (gdevpdfp.c [1.13]: 2000/11/07 +18:54:26 lpd) + +Changes the internal indication of whether to allow font subsetting from a +Boolean to OK, YES, NO. (Unfortunately, I no longer remember why this change +is needed.) (gdevpdfe.c [1.6], gdevpdff.c [1.10], gdevpdff.h [1.5], +gdevpdft.c [1.24]: 2000/11/14 06:57:21 lpd) + +When writing PDF output, adds the ability to convert text in Type 0 fonts to +text in the descendant leaf fonts. This completes the handling of text +output except for CID-keyed fonts. (gdevpdft.c [1.25]: 2000/11/14 16:47:09 +lpd) + +Reorganizes some text-writing code in anticipation of adding CIDFont and +CMap support. (gdevpdff.c [1.11], gdevpdff.h [1.6], gdevpdft.c [1.26]: +2000/11/17 22:11:44 lpd) + +Makes glyphshow no longer revert to bitmapped fonts. Also adds a CIDFont +pseudo-resource, in anticipation of adding CID-keyed font support. +(gdevpdff.c [1.12], gdevpdff.h [1.7], gdevpdft.c [1.27], gdevpdfx.h [1.24]: +2000/11/20 08:31:20 lpd) + +Extensively revises and updates the pdfwrite text handling code to support +processing and embedding of all types of fonts (except for Type 3 and +CIDFontType 1, which are defined by PostScript procedures), and all variants +of 'show' (including kshow and glyphshow). In particular, Type 0 fonts with +all FMapTypes (including CMap-based), CIDFontType 0 and 2 fonts, and both +standard and non-standard CMaps are supported. (gdevpdf.c [1.24], +gdevpdfe.c [1.7], gdevpdff.c [1.13], gdevpdff.h [1.8], gdevpdfs.c [1.1], +gdevpdft.c [1.29], gdevpdfu.c [1.13], gdevpdfw.c [1.6], gdevpdfx.h [1.25]: +2000/12/08 23:35:38 lpd) + +If ParseDSCCommentsForDocInfo is set to true, copies information from DSC +comments Creator, CreationDate, For, and Title into the output's Info +dictionary. (gdevpdfp.c [1.14]: 2000/12/09 07:49:22 lpd) + +Makes the PDF writer extract orientation and bounding box information from +DSC comments, if present. The orientation is used to set Rotate if +AutoRotatePages is not selected; the bounding box is not yet used for +anything. (gdevpdf.c [1.25], gdevpdfp.c [1.15], gdevpdfx.h [1.26]: +2000/12/09 19:54:54 lpd) + +Slightly changes the initialization of the random offset for font subset +prefixes, to work better with low-resolution clocks such as those typical on +PCs. (gdevpdf.c [1.27]: 2000/12/16 19:31:10 lpd) + +</pre><h2><a name="6.60-PDF_Interpreter"></a>PDF Interpreter</h2><pre> + +Fixes problems: + - Type 0 fonts with a non-standard (embedded) CMap didn't work at +all. (lib/pdf_font.ps [1.15]: 2000/12/02 20:41:52 lpd) + - The PDF interpreter ignored the CIDToGIDMap entry in (embedded) +CIDFontType 2 fonts, producing incorrect output if the map wasn't /Identity. +(lib/pdf_font.ps [1.16]: 2000/12/07 23:41:10 lpd) + - GS didn't dereference indirect objects in Widths array. +(lib/pdf_font.ps [1.17]: 2000/12/17 19:06:19 alexcher) + - Fixes a slight oversight in the true/false/null improvement for +the PDF interpreter. (lib/pdf_base.ps [1.12]: 2000/12/26 04:10:12 lpd) + - When a non-TrueType font was substituted for a TrueType font, the +Encoding in the font descriptor was ignored. This hack was intended to fix +SF bug # 104702, an invalid PDF file, but it broke another case. Removal of +the hack makes GS render both cases similar to AR 4. +(lib/pdf_font.ps [1.18]: 2000/12/26 04:29:30 alexcher) + - The PDF interpreter didn't rotate the CropBox for landscape pages, +producing incorrect output if the input of ps2pdf was a landscape PDF file. +(lib/pdf_main.ps [1.26]: 2000/12/31 01:07:18 lpd) + +Improves font substitution by taking the "Narrow" property into account. +Fixes SourceForge bug 116460. Fix due to Leon Bottou. +(lib/pdf_font.ps [1.13]: 2000/11/05 17:36:28 raph) + +Wraps the showpagecontents call in gsave/grestore, so that the graphics +state for drawing annotations is pristine. Fixes Sourceforge bug 123310. +(lib/pdf_main.ps [1.23]: 2000/11/25 22:00:21 raph) + +The published PDF specification says the Encoding name "must be" one of the +3 predefined Encodings, implying that an error should occur if it isn't. +However, Acrobat Reader simply ignores unknown names, and since there are +some buggy applications that rely on this, we do the same. +(lib/pdf_font.ps [1.14]: 2000/11/28 18:55:24 alexcher) + +The PDF specification says that the 'xref' must be on a line by itself. The +code formerly used readline and linene to check this. However, Acrobat +Reader only requires the line to begin with 'xref', and there are enough +applications producing non-compliant PDF files that we have to do this too. +(lib/pdf_main.ps [1.24]: 2000/12/18 03:41:35 alexcher) + +AI8 writes bogus encoding array [0 1 0 0 0 0 0 0] AR doesn't care. So we +have to straighten it up here. (lib/pdf_draw.ps [1.24]: 2000/12/20 19:02:24 +alexcher) + +Makes the PDF interpreter handle true, false, and null specially, rather +than by dictionary lookup, so that the PostScript interpreter can still +process these names using the special fast case for names defined only in +systemdict. (lib/pdf_base.ps [1.11], lib/pdf_main.ps [1.25]: 2000/12/26 +04:08:44 lpd) + +</pre><h2><a name="6.60-Interpreter"></a>Interpreter</h2><pre> + +Fixes problems: + - The recently updated code for activating the DSC comment parser +had several local/global VM problems, causing invalidaccess errors. +(lib/gs_dps2.ps [1.3], lib/gs_init.ps [1.27], lib/gs_pdfwr.ps [1.7]: +2000/11/07 18:51:24 lpd) + - There was still a bug in the code for passing DSC comments to the +PDF writer, causing typecheck errors. (lib/gs_pdfwr.ps [1.8]: 2000/11/07 +19:27:14 lpd) + - If the procedure of a FunctionType 4 Function was syntactically +valid but exceeded the maximum stack depth, an attempt was made to free a +string as an object, causing memory corruption. (zfunc4.c [1.6]: 2000/11/11 +17:34:06 lpd) + - Disk-based TrueType fonts caused a memory leak. (Currently, there +are no such fonts, but CIDFontType 2 fonts, and directly-accessed TrueType +fonts, should be made disk-based.) (zfcid1.c [1.4]: 2000/11/22 08:32:07 lpd) + - Type 1 CharStrings loaded from disk for type 0 CIDFonts were never +freed, except by garbage collection (which doesn't reclaim chunks with only +a small amount of surviving data). In practice, this probably only affects +the PDF writer. (zfcid0.c [1.5]: 2000/11/23 23:34:22 lpd) + - Single-byte notdef ranges in CMaps incorrectly incremented the CID +number, rather than assigning the same CID to all characters in the range. +(lib/gs_cmap.ps [1.9]: 2000/11/29 06:58:36 lpd) + - In dictionaries, an int lookup key sometimes didn't match a real +stored key, and vice versa. Fixes SourceForge bug # 123678. (idict.c [1.3]: +2000/11/30 07:13:08 lpd) + - Further tweaking of the logic to clear end_status flags in a +pipeline in the continuation of a procedure write, making it more aggressive +than the previous fix, but less aggressive than the original code. This is a +revised fix for Sourceforge bug 119777. (zfproc.c [1.7]: 2000/12/02 19:58:45 +raph) + - 'gstate' was allowed in global VM even if the current graphics +state included references to structures in local VM (which is, in fact, +normally the case) and the save level was non-zero: this could create a +dangling pointer after the 'restore'. This "fix" is a workaround that simply +prohibits doing this, but a correct fix would copy any such structures. +(zdps1.c [1.3]: 2000/12/02 20:39:37 lpd) + - The first call of check_psc_function in gs_build_function_4 didn't +initialize size to 0, causing the computed value of size to be garbage, +possibly leading to a VMerror or memory corruption. (zfunc4.c [1.7]: +2000/12/03 16:56:31 alexcher) + - The font_info procedure for PostScript fonts other than Type 1 +didn't return information from the FontInfo dictionary (Copyright, +FamilyName, FullName, Notice), causing this information to be omitted when +embedding the font in a PDF file. (ifont.h [1.6], zbfont.c [1.7], +zfont.c [1.3], zfont1.c [1.9]: 2000/12/03 23:35:30 lpd) + - The %%ViewingOrientation: DSC comment was misspelled +%%ViewerOrientation:. This also corrects the CDSC_VIEWINGORIENTATION enum +value (formerly CDSC_VIEWERORIENTATION, and the viewing_orientation members +of the CDSCPAGE structure and the CDSC structure (formerly +viewer_orientation). (dscparse.c [1.3], dscparse.h [1.3], zdscpars.c [1.8]: +2000/12/09 18:28:23 lpd) + - Unitialized member of CDSCPAGE caused random crashes. +(dscparse.c [1.4]: 2000/12/13 07:18:46 alexcher) + - systemdict was being created too small for LanguageLevel 3 +systems. (It expanded properly, but left a sandbar.) (iinit.c [1.3]: +2000/12/26 04:25:54 lpd) + - Expanding a permanent dictionary (systemdict or userdict) +destroyed the single-definition bookkeeping for names defined in that +dictionary, slowing down subsequent interpretation. (idict.c [1.4]: +2000/12/26 06:09:58 lpd) + - Fix to dscparse.c for parsing DOS EPS files. Code now looks for +%!PS-Adobe- at the start of the PostScript section, not at the start of the +DOS EPS header. (dscparse.c [1.5]: 2000/12/28 01:45:01 ghostgum) + +Collect some stray configuration related externs into iconf.h +(imain.c [1.3], imainarg.c [1.5]: 2000/11/04 06:12:02 rayjj) + +branches: 1.1.2; Collect some stray configuration related externs into +iconf.h (iconf.h [1.1]: 2000/11/04 06:12:02 rayjj) + +Add COMPILE_INITS information line to -h help output. (imainarg.c [1.6]: +2000/11/04 06:13:42 rayjj) + +Adds DSC parsing capability to the PostScript interpreter, with an optional +'feature' to use the DSC Orientation comments to compensate for sloppy +PostScript producers that don't emit an appropriate setpagedevice command. +(lib/gs_dscp.ps [1.1], zdscpars.c [1.1]: 2000/11/05 18:33:52 lpd) + +branches: 1.1.2; Adds DSC parsing capability to the PostScript interpreter, +with an optional 'feature' to use the DSC Orientation comments to compensate +for sloppy PostScript producers that don't emit an appropriate setpagedevice +command. (dscparse.c [1.1], dscparse.h [1.1]: 2000/11/05 18:33:53 lpd) + +Polishes the DSC parser interface: improves comments and formatting, and +fixes a couple of very minor glitches. (zdscpars.c [1.2]: 2000/11/06 +07:34:21 lpd) + +branches: 1.3.2; ... and fixes an overlooked const discrepancy. +(zdscpars.c [1.3]: 2000/11/06 07:35:51 lpd) + +branches: 1.2.2; Fix: The recently updated code for activating the DSC +comment parser had several local/global VM problems, causing invalidaccess +errors. (lib/gs_dscp.ps [1.2]: 2000/11/07 18:51:25 lpd) + +Return code variables (code and comment_code) in zparse_dsc_comments(). need +to be signed. (zdscpars.c [1.4]: 2000/11/08 00:54:48 dancoby) + +Rewrites .parse_dsc_comment to use the parameter list machinery, removing a +little functionally duplicated code; changes two incorrect uints to ints +(fix from dan@artifex.com); adds additional comment types (BoundingBox, +PageBoundingBox, BeginDefaults, EndDefaults) to the interface. +(zdscpars.c [1.5]: 2000/11/08 07:07:32 lpd) + +DSC parser changes: adds %%ViewerOrientation to DSC parser; doesn't flag an +error if %%Pages is absent but one %%Page is found; frees memory if +initialization fails; recognizes general whitespace in some places where +only spaces were recognized before. (changes from gsview@ghostgum.com.au) +(dscparse.c [1.2], dscparse.h [1.2]: 2000/11/13 05:44:58 lpd) + +Adds DSC comment tracing to ps2pdf, if -dDEBUG is specified on the command +line. (lib/gs_pdfwr.ps [1.9]: 2000/11/13 17:03:51 lpd) + +Adds %%EndDefaults, %%For:, and %%ViewerOrientation: to the set of DSC +comments handled by the .parse_dsc_comments operator. (zdscpars.c [1.6]: +2000/11/13 17:06:18 lpd) + +Slightly simplifies the code for creating the internal representation of +CMaps. (lib/gs_cmap.ps [1.8]: 2000/11/16 00:32:00 lpd) + +Changes .buildshading to always apply a ReusableStreamDecode filter to file +and stream DataSources, so that multiple passes over the stream work. This +patch closes SourceForge bug 121810. (lib/gs_ll3.ps [1.7]: 2000/11/16 +00:37:32 raph) + +Makes single-byte CMap ranges convert into a single range in the internal +representation, rather than (largest - smallest + 1) separate single-element +ranges. (lib/gs_cmap.ps [1.10]: 2000/11/29 07:10:27 lpd) + +Adds documentation for the procedures declared in ifont.h. (ifont.h [1.5]: +2000/12/03 23:14:28 lpd) + +Extensively revises and updates the pdfwrite text handling code to support +processing and embedding of all types of fonts (except for Type 3 and +CIDFontType 1, which are defined by PostScript procedures), and all variants +of 'show' (including kshow and glyphshow). In particular, Type 0 fonts with +all FMapTypes (including CMap-based), CIDFontType 0 and 2 fonts, and both +standard and non-standard CMaps are supported. (lib/gs_cidfn.ps [1.18]: +2000/12/08 23:35:38 lpd) + +Makes the default value of ParseDSCCommentsForDocInfo true rather than +false. (lib/gs_pdfwr.ps [1.10]: 2000/12/09 08:00:52 lpd) + +Changes the parsing of the DSC Orientation comments to return -1 .. 3 rather +than 0 or 1. (lib/gs_dscp.ps [1.3], zdscpars.c [1.7]: 2000/12/09 17:52:29 +lpd) + +Changes .parse_dsc_comments to distinguish (document default) +ViewingOrientation from PageViewingOrientation, as for [Page]Orientation. +(zdscpars.c [1.9]: 2000/12/09 19:52:49 lpd) + +Updates the comments with a new proposal for speeding up name lookup in the +interpreter. (dstack.h [1.3]: 2000/12/26 01:20:58 lpd) + +The old code caused gswin crash when console window closes. +(dwimg.cpp [1.3]: 2000/12/26 13:41:40 igorm) + +New flag DELAYSAFER added to defer activation of safety checks. SAFER=false +=> no safety checks SAFER=true, DELAYSAFER=false => safety checks +always SAFER=true, DELAYSAFER=true => safety checks after .setsafe +(lib/gs_init.ps [1.28]: 2000/12/29 04:13:56 alexcher) + +</pre><h2><a name="6.60-Streams"></a>Streams</h2><pre> + +Fixes problems: + - Seek was broken and PDF interpreter failed when +FILE_IMPLEMENTATION=fd The implementation of streams using direct OS calls +is extended to support MSVC && Win32. close_.h is replaced by more +general unistd_.h (sfxfd.c [1.6]: 2000/12/19 03:35:40 alexcher) + +</pre><h2><a name="6.60-Library"></a>Library</h2><pre> + +Fixes problems: + - Several places in the band list code didn't call s_init_state to +initialize locally allocated stream states: this is now required (see the +"Incompatible changes" section above). We suspect there are a few more +places that will need this fix. (gxclbits.c [1.3], gxcldev.h [1.4], +gxclread.c [1.3], gxclutil.c [1.3]: 2000/11/05 00:34:24 lpd) + - Fixes infinite loops when writing large bitmaps into clist. Now, +cmd_put_bits never requests an allocation in the clist buffer larger than +cbuf_size. (gxclbits.c [1.4]: 2000/11/05 18:44:57 raph) + - Works around an Acrobat Reader 4 bug that causes AR4 to draw a +single pixel, rather than nothing, when filling a subpath consisting only of +a moveto. (gdevvec.c [1.8]: 2000/11/07 16:42:28 lpd) + - The PDF writer didn't handle stroked fonts correctly (they were +filled instead of stroked). (gdevvec.c [1.9], gdevvec.h [1.5]: 2000/11/12 +06:52:08 lpd) + - The pdfwrite and pswrite drivers could emit a lineto or rlineto +without a moveto at the beginning of the path. (bug introduced very +recently, by a workaround for an Acrobat Reader bug) (gdevvec.c [1.10]: +2000/11/14 07:41:08 lpd) + - Attempting to write a CFF Type 2 font larger than 32K but smaller +than 64K caused a rangecheck. (gdevpsf2.c [1.8]: 2000/11/19 17:48:08 lpd) + - Computing the default width or the fixed width for a CIDFont or +TrueType font could do a huge amount of unnecessary work. (Probably only +affects the PDF writer.) (gsfont.c [1.3]: 2000/11/20 21:09:09 lpd) + - The Type 1 to Type 2 CharString converter (currently used only by +the PDF writer) often didn't detect invalid CharStrings as input. +(gdevpsfx.c [1.6]: 2000/11/21 02:33:55 lpd) + - The code for writing a CIDFontType0 CFF font mistook Type 2 +CharStrings for Type 1, and tried to convert them to Type 2. (This currently +affects only the PDF writer.) (gdevpsf2.c [1.9]: 2000/11/21 02:35:59 lpd) + - Disk-based TrueType fonts caused a memory leak. (Currently, there +are no such fonts, but CIDFontType 2 fonts, and directly-accessed TrueType +fonts, should be made disk-based.) (gdevpsft.c [1.5], gstype42.c [1.10]: +2000/11/22 08:32:07 lpd) + - Type 1 CharStrings loaded from disk for type 0 CIDFonts were never +freed, except by garbage collection (which doesn't reclaim chunks with only +a small amount of surviving data). In practice, this probably only affects +the PDF writer. (gsfcid.c [1.5], gstype1.c [1.6], gstype2.c [1.9], +gxfont1.h [1.5], gxtype1.c [1.8], gxtype1.h [1.5]: 2000/11/23 23:34:22 lpd) + - The pswrite device couldn't write to pipes. The fix involved +expanding the API for opening device OutputFiles so that the individual +driver could specify whether it required, requested, or did not want a +positionable file. Fixes SourceForge bug # 122223. (gdevpipe.c [1.4], +gdevvec.c [1.11], gdevvec.h [1.6], gsdevice.c [1.8]: 2000/11/29 02:25:13 +lpd) + - The change for freeing transient CharStrings introduced two bugs, +possibly causing the code to free data twice, or to free data that should be +retained. (gdevpsfx.c [1.8]: 2000/11/30 05:58:19 lpd) + - Allocates graphics state path in stable memory. This prevents +paths in Type 3 fonts allocated inside a save ... setcachedevice ... restore +sequence from being prematurely freed. Fixes SourceForge bug 101549. +(gspath1.c [1.3], gsstate.c [1.6]: 2000/12/04 21:13:55 raph) + - An inadvertent change caused the graphics state not to be freed on +grestore. This fix, due to lpd, restores the freeing statement. +(gsstate.c [1.7]: 2000/12/05 09:24:57 raph) + - The pointers to the substituted color spaces in the graphics state +weren't included in the structure descriptor, causing memory access errors +if UseCIEColor was used. (gsstate.c [1.8]: 2000/12/11 04:06:22 alexcher) + - In TrueType fonts, glyph outlines starting with an off-curve point +didn't render correctly, replacing the curve with a pair of straight lines. +(gstype42.c [1.11]: 2000/12/12 22:27:56 alexcher) + - Strict type correctness is required on VMS system. Contributed by +Jouk Jansen joukj@hrem.stm.tudelft.nl (gdevpsf2.c [1.12], gsfcmap.c [1.13]: +2000/12/18 21:58:03 alexcher) + - Seek was broken and PDF interpreter failed when +FILE_IMPLEMENTATION=fd The implementation of streams using direct OS calls +is extended to support MSVC && Win32. close_.h is replaced by more +general unistd_.h (gpmisc.c [1.9]: 2000/12/19 03:35:40 alexcher) + - Fixes a subtle logic bug in the scan line path filling code, which +unfortunately involved rewriting the code from scratch. The new code is also +somewhat subtle, and may contain new bugs: DON'T TRUST IT YET. Fixes +SourceForge bug # 117066. (gxfill.c [1.7]: 2000/12/23 06:02:39 lpd) + - Embedded Type 1 fonts omitted StdVW. (Acrobat Reader requires +this, even though the Type 1 specification says it is optional.) +(gdevpsf1.c [1.8]: 2000/12/29 01:18:55 lpd) + +Adds developer documentation on the color mapping pipeline. (gxfrac.h [1.3]: +2000/11/03 04:53:00 lpd) + +Improves the documentation of the minimum responsibilities of the 'process' +procedure in a text enumerator. (gxtext.h [1.6]: 2000/11/06 00:44:37 lpd) + +Adds a param_string_from_transient_string macro, to parallel +param_string_from_string for non-permanent C strings. (gsparam.h [1.8]: +2000/11/08 06:56:50 lpd) + +Adds a macro for declaring suffix subclasses with 5 added pointers (in +addition to the existing 1, 2, 3, 4, and 6). (gsstruct.h [1.6]: 2000/11/21 +16:46:55 lpd) + +Adds a procedure for testing whether a glyph is a "notdef" in a font, +necessary for fixing a memory consumption problem when accessing type 0 +CIDFonts. (gsfont.c [1.4], gxfont.h [1.3]: 2000/11/23 23:23:40 lpd) + +Speeds up the slow case of fixed_mult_quo by nearly a factor of 2, by using +a tiny bit of numerical analysis. (gsmisc.c [1.9], gxfixed.h [1.3]: +2000/11/24 06:53:23 lpd) + +Improves the performance of embedded font writing by freeing strings when no +longer needed, and by removing redundant computation. (Currently relevant +only to the PDF writer.) (gdevpsf1.c [1.7], gdevpsf2.c [1.10], +gdevpsfu.c [1.5], gdevpsfx.c [1.7]: 2000/11/24 07:10:41 lpd) + +Adds a procedure for creating an Identity CMap, needed by the PDF writer. +(gsfcmap.c [1.11], gxfcmap.h [1.6]: 2000/11/26 04:08:41 lpd) + +Implements the stopgap measure of increasing fill_adjust for Coons patch +shading, to cover the dropouts caused by incorrect triangulation of the mesh +surface. See SourceForge Bug 119588 for a more thorough analysis. +(gsptype2.c [1.4], gxshade4.c [1.4]: 2000/11/29 01:31:30 raph) + +Adds an internal unique ID to CMap structures (gs_cmap_t), for use as a +cache or comparison key. (gsfcmap.c [1.12], gxfcmap.h [1.7]: 2000/11/29 +05:50:03 lpd) + +The old code did not comply ISO/IEC C language standard and compiled wrongly +to Mac, causing halftone problem on Mac. (gshtscr.c [1.5]: 2000/11/29 +14:41:34 igorm) + +Adds macros for suffix subclass structures with 7 or 8 additional pointers +(1-6 and 9 existed already). (gsstruct.h [1.7]: 2000/12/04 01:11:53 lpd) + +Extensively revises and updates the pdfwrite text handling code to support +processing and embedding of all types of fonts (except for Type 3 and +CIDFontType 1, which are defined by PostScript procedures), and all variants +of 'show' (including kshow and glyphshow). In particular, Type 0 fonts with +all FMapTypes (including CMap-based), CIDFontType 0 and 2 fonts, and both +standard and non-standard CMaps are supported. (gdevpsf.h [1.9], +gdevpsf2.c [1.11], gdevpsfm.c [1.4], gdevpsft.c [1.6], gdevpsfu.c [1.6]: +2000/12/08 23:35:38 lpd) + +Moves definitions of gs_state_do_ptrs and gs_state_num_ptrs from gsstate.c +to gzstate.h since they depend on the contents of struct gs_state_s defined +there. (gsstate.c [1.9], gzstate.h [1.4]: 2000/12/11 12:52:16 alexcher) + +Splits off the code for downsampling an oversampled character bitmap into a +separate file. (gsbitcom.c [1.1], gsbitops.c [1.3]: 2000/12/14 00:14:52 lpd) + +branches: 1.1.2; Fix: Seek was broken and PDF interpreter failed when +FILE_IMPLEMENTATION=fd The implementation of streams using direct OS calls +is extended to support MSVC && Win32. close_.h is replaced by more +general unistd_.h (unistd_.h [1.1]: 2000/12/19 03:35:40 alexcher) + +Brings gxfill.c up to date with current coding standards (except for adding +_t to the names of locally defined structure types); also puts #ifdef +FILL_TRAPEZOIDS around a little more code that tests 'if (fill_trapezoids)'. +(gxfill.c [1.6]: 2000/12/21 16:10:36 lpd) + +Updates repository for 6.60 release. (gscdef.c [1.11]: 2001/01/01 00:24:06 +lpd) + +</pre><h2><a name="6.60-Other"></a>Other</h2><pre> + +Fixes problems: + - Seek was broken and PDF interpreter failed when +FILE_IMPLEMENTATION=fd The implementation of streams using direct OS calls +is extended to support MSVC && Win32. close_.h is replaced by more +general unistd_.h (close_.h [1.3]: 2000/12/19 03:35:40 alexcher) + +<hr> + <h1><a name="Version6.30"></a>Version 6.30 (2000-10-03)</h1> <p> diff --git a/gs/doc/News.htm b/gs/doc/News.htm index 22096bfd3..d52b239de 100644 --- a/gs/doc/News.htm +++ b/gs/doc/News.htm @@ -56,7 +56,12 @@ overview</a>. <h3><a name="Version6.60"></a>Version 6.60 (2000-12-31)</h3> <p> -This long-overdue fileset consists of xxx. +This long-overdue fileset includes major new developer documentation, major +improvements in the PDF writer (for embedded fonts and for DSC comments), +and lots of bug fixes. Unfortunately, for unknown reasons, the release +"smoke test" loops forever on the file data/ps/screen.ps -- but only when +compiled in 'production' mode, not in 'debug' mode. We suspect a gcc bug, +but don't have the time to track it down before the end of the millennium. <p> All problems registered on SourceForge numbered 127190 or lower are closed, diff --git a/gs/toolbin/makeset.tcl b/gs/toolbin/makeset.tcl index 9faf4791f..b8ddd2e5f 100755 --- a/gs/toolbin/makeset.tcl +++ b/gs/toolbin/makeset.tcl @@ -187,11 +187,19 @@ proc mergehist {news changes hist tmp} { set vdpattern {Version ([0-9.]+) \((([0-9]+)-0*([1-9][0-9]*)-0*([1-9][0-9]*))\)} # Scan the News file to find the header line. - while {[string first <h1> [set l [gets $news]]] != 0} {} + while {![regexp {^<h[1-3]><a name="Version} [set l [gets $news]]]} { + if {[eof $news]} { + puts stderr "EOF scanning News for header line" + return 1 + } + } if {![regexp $vdpattern $l skip nver ndate nyear nmonth nday]} { puts stderr "Can't parse header line in News: $l" return 1 } + puts $l + # Change the header tag to h1 for compatiability with existing files. + regsub -all {h[1-3]>} $l h1> l set monthnames [list\ January February March April May June\ July August September October November December] @@ -202,6 +210,10 @@ proc mergehist {news changes hist tmp} { set nlines [list $l] set have_changes 0 while {[string first </pre> [set l [gets $news]]] != 0} { + if {[eof $news]} { + puts stderr "EOF scanning News for Incompatible changes" + return 1 + } if {[string first "Incompatible changes</h" $l] >= 0} { set have_changes 1 } @@ -210,6 +222,10 @@ proc mergehist {news changes hist tmp} { # Copy the prefix of the existing History file. while {[string first <li> [set l [gets $hist]]] != 0} { + if {[eof $hist]} { + puts stderr "EOF copying History up to <li>" + return 1 + } puts $tmp $l } @@ -224,13 +240,23 @@ proc mergehist {news changes hist tmp} { } if {$hver == $nver} { # Skip over the TOC section. - while {[gets $hist] != "</ul>"} {} + while {[gets $hist] != "</ul>"} { + if {[eof $hist]} { + puts stderr "EOF skipping History TOC" + return 1 + } + } set l [gets $hist] } set hline $l # Advance the Changes file to the TOC. - while {[string first <blockquote> [set l [gets $changes]]] != 0} {} + while {[string first <ul> [set l [gets $changes]]] != 0} { + if {[eof $changes]} { + puts stderr "EOF seeking Changes TOC" + return 1 + } + } # Create the new TOC entry. puts $tmp "<li><a href=\"#Version$nver\">Version $nver ($ndate)</a>" @@ -245,13 +271,22 @@ proc mergehist {news changes hist tmp} { puts $tmp $l } } - while {[set l [gets $changes]] != "</ul></blockquote>"} { + while {[set l [gets $changes]] != "</ul>"} { + if {[eof $changes]} { + puts stderr "EOF copying Changes TOC" + return 1 + } puts $tmp $l } + puts $tmp $l # Copy the rest of the TOC and preamble. puts $tmp $hline while {[string first <h1> [set l [gets $hist]]] != 0} { + if {[eof $hist]} { + puts stderr "EOF copying History TOC and preamble" + return 1 + } puts $tmp $l } @@ -262,7 +297,12 @@ proc mergehist {news changes hist tmp} { } if {$hver == $nver} { # Skip over the history section. - while {[set l [gets $hist]] != "<hr>"} {} + while {[set l [gets $hist]] != "<hr>"} { + if {[eof $hist]} { + puts stderr "EOF skipping old History section" + return 1 + } + } # Skip the following blank line, too. gets $hist set l [gets $hist] @@ -276,6 +316,10 @@ proc mergehist {news changes hist tmp} { # Copy the rest of Changes. while {[string first </pre></body> [set l [gets $changes]]] != 0} { + if {[eof $changes]} { + puts stderr "EOF copying rest of Changes" + return 1 + } puts $tmp $l } @@ -284,6 +328,10 @@ proc mergehist {news changes hist tmp} { puts $tmp "" puts $tmp $hline while {[string first "Ghostscript version " [set l [gets $hist]]] != 0} { + if {[eof $hist]} { + puts stderr "EOF seeking History Ghostscript version" + return 1 + } puts $tmp $l } |