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+This file records noteworthy changes.
+7.5.5
+* BibTeX: dynamically resize the buffer (and related arrays).
+* MP: Version 0.9
+* mpware: Brought to the equivalent of version 0.9.
+* e-TeX, Aleph, pdfeTeX: You can use -ini -etex to start etex mode now
+  instead of prepending an asterisk.
+
+7.5.4 (6 February 2005)
+* TeX: \ifeof18 is false if \write18 is enabled.
+* MF, MP: Prevent pathological code from overflowing the "serial number"
+  counter for independent variables.
+
+7.5.3 (28 November 2004)
+* ctie: New program, from Julian Gilbey.
+* TeX, MF, MP: We now save the name of the engine in the dump, in
+  order to be able to give better error messages in case a dump
+  written by another engine is being read.
+* TeX, MF, MP: We now dump the xord, xchr, and xprn arrays, so if
+  if a TCX file was loaded in INI mode, that will be retained
+  when the dump is loaded.  (Doesn't apply to Omega family.)
+* TeX, MF, MP: Add -8bit option, which makes all characters
+  printable by default.  Note that a TCX file can change this.
+  (Doesn't apply to Omega family.)
+* TeX, MF, MP: In TCX files, a third number (0 or 1) can be
+  used to set printability.  (Doesn't apply to Omega family.)
+* TeX: Include encTeX extension.
+* mft: Allow more than one -style option.
+* pdfxTeX: New.
+* DVItoMP: Now supports color specials, like those added by the
+  colordvi package.  Note that this feature should be considered
+  experimental, and may change in the future.
+* PATGEN: Peter Breitenlohner fixed some typos in text in patgen.web.
+
+7.5.2 (19 February 2003)
+* e-TeX: Remove last bits of support for installing it as 'tex'.
+* Makefile fixes.
+
+7.5.1 (17 February 2003)
+* New upstream sources from Knuth.
+* Lots of little fixes to the new makefiles.
+
+7.5.0 (15 February 2003)
+* Use libtool.
+* Use e-TeX, pdfeTeX as the engine for the latex, pdflatex format.
+
+7.4.6 (7 February 2003)
+* Makefile structure changed.
+* e-Omega: New
+
+7.4.5 (28 January 2003)
+* TeX: Obey locale setting only for terminal and log file.
+* METAFONT, MetaPost: Do not care about locale settings at all.
+
+7.4.4 (16 January 2003)
+* TeX: Increase maximum size of max_strings, main_memory, and pool_size.
+
+7.4.3 (11 January 2003)
+* CWEB: Add --help and --version options.
+* CWEB: Support both .w and and .web suffixes.
+* CWEB: When adding #line directives, put in the path, not just the filename.
+
+7.4.2 (23 December 2002)
+* Minor fixes to makefiles.
+
+7.4.1 (20 December 2002)
+* cweave: Fixed hangs caused by wrong argument order in two prototypes.
+
+7.4.0 (14 December 2002)
+* Using 7.4.x numbers now because the interface of kpathsea has changed in
+  ABI-incompatible ways.
+* share/*: Stop shipping fontmap files and tcx files in the web2c tarball.
+* CWEB: Add protypes to code through the change files.
+* BibTeX: Names ending in 'aux' were not handled correctly.
+* METAPost: Handle date and time privitives correctly, instead of having
+  them give the date of the mem file.
+
+7.3.11 (13 November 2002)
+* BibTeX: purify$ would strip characters with code >= 128 from its argument.
+  This has now changed to just passing them through.  This should have no
+  effect if you don't use such characters in the input, but may result in
+  different output otherwise.  Note that other aspects, like proper sorting
+  of such characters are not handled at all.
+* CWEB: Increase the maximum length of the names of the input files.
+	
+7.3.10 (11 November 2002)
+* Added the CWEB programs.  Thanks to Wlodek Bzyl.
+
+7.3.9 (22 October 2002)
+* TeX, METAFONT, METAPost: Add --jobname option to set the jobname.  This
+  supercedes the use of --fmt, --efmt, --mem, and --base to set the name of
+  the format to be dumped in ini mode.
+* TANGLE: New options --length, --lowercase, --uppercase, --mixedcase,
+  --underline, --strict, --loose.  These affect the output generated by
+  tangle.
+
+7.3.8 (11 October 2002)
+* BibTeX: do not split \% in an output line.
+* TeX: mention active extensions.
+* TeX: change name/banner if extensions that break strict compatibility with
+  Knuth's TeX are active.
+* web2c: splitup now uses a command-line switch to determine how after
+  how many lines it should split the sources.
+
+7.3.7 (27 November 2001)
+* Minor release, again incorporates internal changes to help Omega.
+* Update of the fontmaps.
+
+7.3.6 (18 November 2001)
+* Minor release, again incorporates internal changes to help Omega.
+* TeX, METAFONT, MetaPost:
+  New option --recorder which enables a filename recorder.  A file
+  with extension .fls is created which contains the names of the
+  files opened for reading or writing.
+
+7.3.5 (10 November 2001)
+* Minor release, incorporate many changes due to developments of Omega.
+  These are mainly internal.
+
+7.3.4 (30 October 2001)
+* Minor release, incorporates most of the features also in TeX-live 6,
+  which is known as release 7.3.3.1.
+* TANGLE: As an extension, you can define parametric macros where '[' and ']'
+  delimit the argument.
+* MFT: Support METAPOST sources.
+* MPTO: Add -tex=program option.  Buffer is now configurable.
+
+7.3.3 (5 August 2000)
+* Minor release.
+* METAFONT: Obey buf_size from texmf.cnf instead of using a hard-coded value.
+
+7.3.2 (19 April 2000)
+* Minor release containing bugfixes for 7.3.1.  Web2C 7.3.1 was not released
+  on CTAN, only in teTeX 1.0
+* The TeX-live 5 CD contains Web2C 7.3.1x, which is based on the 7.3.1 release
+  and contains some changes that have yet to be merged into the main tree. In
+  particular, the code for "C-style" error messages and the code for source
+  specials has not been merged yet.
+
+7.3.1 (30 May 1999)
+* Minor release containing bugfixes for 7.3.  Web2C 7.3 was not released
+  on CTAN, only on the TeX-live 4 CD.
+
+7.3 (26 March 1999)
+* New upstream sources from Knuth.
+* TeX, METAFONT, MetaPost:
+  (Re)introduction of TCX files.
+* Increased capacity of several programs.
+* Support for pdfeTeX added.
+* Long-standing bugs in VFtoPL and TFtoPL, which led to corrupted TFM
+  files being generated, have been fixed.
+
+7.2 (15 March 1998)
+* New upstream version of MetaPost: 0.64.
+* TeX, METAFONT, MetaPost:
+  Allow for more restrictions on the files written by \openout.
+* TeX, METAFONT, MetaPost:
+  New option --interaction, which can be used to set batchmode, nonstopmode,
+  scrollmode, or errorstopmode.  Thus we can replace a construct like
+    tex '\batchmode \input foo'
+  with
+    tex --interaction=batchmode foo
+  and have a %&format line select the correct format.
+* When %&format selects a format, the search paths are changed to conform
+  to that format.
+* TeX, METAFONT, MetaPost:
+  During an "ini" run, the name of the format to be dumped can be set with
+  the --fmt/--efmt/--base/--mem options.
+* web2c: Extensive support for building e-TeX, Omega, a PDFTeX.
+* web2c: The manual pages are back.
+
+7.1 (10 November 1997)
+* Some MSDOS/Win32 support added to the sources.
+* BibTeX: increased capacity.
+* VPtoVF: Increased capacity.
+* TeX, METAFONT, MetaPost:
+  - File foo.bar.tex results in \jobname foo.bar, hence foo.bar.{log,dvi,...}.
+    This as opposed to foo and foo.{log,dvi,...} which it how it used to be in
+    version 6.  In 7.0 situation was confusing, as the heuristics used would
+    sometimes result in the extension being stripped, sometimes not.
+* TeX:
+  - The -extend-jobname option has been removed.
+  - Printing of non-ASCII characters in diagnostics, code by Bernd Raichle.
+  - All three of LF, CR, and CRLF are recognized end-of-line tokens.
+* web2c:
+  - Some support for e-TeX added to convert.
+
+7.0 (6 February 1997)
+* Update from Knuth for tex, mf, dvitype, pltotf, vptovf, and tangle,
+  John Hobby's MetaPost (and support programs) included,
+  update from P. Breitenlohner to dvicopy 1.5 and patgen 2.3.
+* Update for kpathsea 3.0.
+* Texinfo manual written.
+* Amiga, OS/2, Windows NT support in the sources.
+* TeX:
+  - if -shell-escape or shell_escape in texmf.cnf is enabled,
+    \write18{str} passes str to system(3) for processing by sh.
+  - MLTeX extensions (\charsubdef, etc.) can be enabled at runtime.
+  - Many array sizes can be set dynamically, in texmf.cnf.
+  - MakeTeXTFM installed and enabled by default.
+  - IPC communications to an external program for incremental DVI reading.
+  - texfonts.map applies to TFM files, as originally intended.
+  - More than 256 fonts are allowed.
+  - DVI comment (with timestamp) can be overridden.
+  - tex.web's consistency checks on .fmt files restored.
+* Metafont:
+  - A few array sizes can be set dynamically, in texmf.cnf.
+  - X11 support disabled by default; configure --with-x to enable it.
+  - MakeTeXMF enabled and installed by default.
+* TeX, Metafont, MetaPost:
+  - If the first line of the main input file starts with %&, the rest of
+    the line is used as the fmt/base/mem file (if it can be found),
+    except that %&ini means initex/inimf/inimpost.
+  - One binary: initex/mf/mpost capabilities merged with virtex/mf/mpost.
+  - New option -progname sets program name independently of argv[0].
+  - Eight-bit filenames are output correctly in ^^ notation, instead of
+    always being simplified to ^^@.
+  - MakeTeX* scripts can be named and disabled via texmf.cnf.
+  - MakeTeX* scripts are silent if \batchmode is in effect.
+  - TEXMFINI environment variable checked for pool/fmt/base/mem lookups.
+  - \openout (TeX) and write (MP) by default will not write to files
+    whose names start with `.'.
+  - ``Small'' versions no longer supported without source hacking.
+  - Length bug regarding single non-ASCII characters in MF and MP fixed.
+* BibTeX:
+  - Some arrays dynamically reallocated as needed, other sizes increased.
+  - Default behavior is verbose; new -terse option changes that.
+  - Statistics are written to the .blg file.
+  - Does not look at TEXINPUTS to find .bst files, but does check
+    TEXBIB (after BIBINPUTS).
+  - Does not interactively ask for the top-level .aux name.
+* All programs:
+  - Supply default extensions and default output files.
+  - Support the standard --help and --version options.
+  - Filenames not arbitrarily restricted in length.
+  - Output written in the current directory, not the directory of
+    an input file. (Most interesting for tangle.)
+  - Times-Roman etc. work as font names, via texfonts.map and subsidiaries.
+* dvitype prints decimal opcode numbers with --show-opcodes.
+* bibtex and gftodvi never interactively ask for filenames;
+  dvitype and dvicopy do not enter interactive dialogues.
+* mft looks in MFTINPUTS, not TEXINPUTS.
+* Configuration:
+  - Optional features are enabled via configure --with-* and --enable-*
+    options. Run configure --help.
+  - There is no small TeX, Metafont, or MetaPost. If you want it, you'll
+    have to change the change files, #define SMALL* yourself, and do
+    whatever else is necessary yourself.
+* Source hierarchy substantially simplified.
+* Web2c:
+  - Support for ifndef...endifn, a la ifdef.
+  - Support for const expressions.
+  - Can generate ANSI code.
+
+Version 6.1 (3 February 1994)
+* foo.bar found before foo.tex (found before foo).
+* configure links sun.c to sun-sunview.c if SUNWIN is defined.
+* -DLONG_64_BITS is supplied automatically (if appropriate).
+* Various changes for configure --srcdir.
+* Sample MakeTeX* scripts included.
+
+Version 6.0 (24 January 1994)
+* Default paths changed.
+* Update for TeX 3.1415, etc.
+* Change to use the kpathsea library, a la dvipsk and xdvik.
+
+* TeX's \openin command invokes MakeTeXTeX just like \input.
+
+* TeX & Metafont:
+  - 16-byte values can be dumped, thus allowing native `long' on the DEC Alpha.
+  - But 32-bit integers are used if sharable format files are desired,
+    even on 64-bit machines.
+  - Interrupts are accepted when waiting for input.
+  
+* Online output support in Metafont for Regis terminals and the NeXT.
+* gftopk can handle characters with up to 100,000 rows.
+* vftovp's -charcode-format=ascii works properly.
+* patgen doesn't give bizarre numeric output where it should be text.
+
+* configuration:
+  - -lX11 is used for OpenWindows.
+  - The MakeTeX... scripts are individually selectable by default, and
+    can always be invoked if certain environment variables are set.
+  - The subdirectory trick using st_nlink can be turned off.
+
+* Makefiles:
+  - man/Makefile doesn't remove itself at `clean'.
+  - {tex,mf}/clean-tr[ia]p doesn't reinstall a {tex,mf}d.h with the test
+     constants.
+  - web2c/Makefile removes lex and yacc output at `clean'.
+  - mkdirchain invoked as an absolute filename.
+
+* web2c:
+  - sync is no longer invoked; instead the Makefiles touch texd.h and
+    mfd.h after they are finished.
+
+Version 5.851d (22 February 1993)
+
+* A file `texfonts.map' allows arbitrary mapping of font names (as given
+  to, for instance, \font) to filenames.
+
+* Metafont & TeX:
+  - If a .tex, .tfm, or .mf file can't be found, MakeTeX{TeX,TFM,MF} is
+    invoked before giving up, as in dvips' MakeTeXPK.
+  - Sharable format/base files load faster on LittleEndian machines.
+  - TEXMFOUTPUT is only used for those files which can't be written in
+    the current directory, instead of all files after the first such.
+    Its usage is also reflected in the `... written on ...' messages at
+    the end of the run.
+  - If the DISPLAY environment variable is set, Metafont assumes you are
+    running under X11 for the purposes of online output (instead of
+    relying on the TERM or MFTERM envvar).
+  - Checks for write errors on DVI/GF output.
+  - Unusual glue values no longer make TeX dump core on some systems.
+
+* BibTeX:
+  - The cross-reference feature works as documented (I had foolishly
+    changed the default value of min_crossrefs to eliminate it).
+  - New option -min-crossrefs=<number> to change it dynamically.
+  - New option -verbose; without it, normal reportage is eliminated.
+  - Maximum number of .bib files increased to 100.
+  - Non-printable-ASCII characters in .bib files are preserved.
+
+* TeXware:
+  - tftopl adds a default extension `.tfm' to the input file if necessary.
+
+* web2c: 
+  - Unsigned types are used where possible to represent Pascal
+    subranges.  Among other things, this eliminates a system dependency
+    in creating format/base files (small_number was defined as `schar',
+    which varies between systems).
+
+* configuration:
+  - Unpacks into web2c-<version> instead of src-<version>.*.
+  - site.h merged into lib/c-auto.h.in and ./Makefile.in.
+  - sed is used instead of patch to make the ``small'' change files.
+  - sed is used instead of ed to make the trip/trap files.
+  - The configure script looks in more directories for the X libraries
+    and include files, and is generated from the latest version of Autoconf.
+  - mfware and texware directories merged into the others.
+  - The web2c version is defined in one place, so system information can
+    be added to the banners more easily.
+
+* Makefiles:
+  - Makefiles in subdirectories are created by configure.
+  - $(srcdir) (i.e., compiling in a different directory) is closer to working.
+  - Stamp files are not used at the top level, or for {tex,mf}/convert.
+  - New targets install-data and install-exec, to only install
+    architecture-(in)dependent files.
+
+* PROBLEMS.W2C has some notes on compiling and using these programs
+  under DOS, contributed by melvin@math.psu.edu.
+
+* The man pages have been significantly updated and improved by
+  beebe@math.utah.edu.
+
+* The original web files haven't changed.
+
+Release 4.893b:
+* Include patches from Tim to web2c to turn off the verbose output,
+  unless -d is supplied to web2c.
+* Change $(AR) in the MFwindow Makefile to `ar'.
+* Try to get the base file from the program name in Metafont, as well in
+  TeX.  Implication: mf.script and tex.script are no longer supplied,
+  since a link to plain.{base,fmt} named {mf,tex}.{base,fmt} suffices. 
+  `make install' doesn't create these links, since they only need to be
+  done once.
+* Move some stuff from site.h that should never be changed to a new
+  file, defaults.h. Add a new definition, SIGNAL_HANDLER_RETURN_TYPE, to
+  site.h, to get rid of the warnings in {tex,mf}/extra.c.
+* Use a sed script, contributed by eggert@twinsun.com, instead of the
+  awk script, at the beginning of the pipeline.
+* Fix an unsigned comparison problem in pltotf, that made cc produce
+  infinite ligature loops when converting trip.pl.
+* Change threshold in Metafont, and f in tftopl, so broken C compilers
+  (like some versions of pcc) don't get confused.
+* Port vftovp and vptovf. Move pktogf and pktype to fontutil.
+* Allow more than 500 kern pairs in pltotf.
+* Change the first parameter to {mf,extra}/extra.c to *filename from
+  filename[].
+* Use a better hack for the mutually recursive procedures in pltotf et al.,
+  from Tor Lillqvist <tml@hemuli.atk.vtt.fi>.
+
+Release 2.993+1.9 = 4.893a:
+Sebastian contributed the updates to ctex.ch, tftopl.ch, and pltotf.ch. 
+Karl did the cmf.ch update.
+
+Release 3.0:
+Brings everything up to the new 8-bit versions.
+Almost every file has changed at least somewhat, so I'm not going to
+list all the changes.  Here are some highlights:
+* char is now 0..255 instead of 0..127 in *.defines.
+* `packed' is no longer ignored as part of an identifier (e.g., `packed_trie').
+* new Makefiles to make it easier to do the trip/trap test, and with all
+  the support programs integrated.
+* ctex.ch has a hack to get around trie_op_hash being an array with a
+  negative lower bound.
+* pltotf.ch has a hack to get around mutually recursive routines.