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    1 ___________________________________
    2 |      |  |  |     |  _  |     |  |
    3 |  |___|  |  |  |  |    _|  |  |  |    GNU GLOBAL source code tagging system
    4 |  |   |  |  |  |  |     |     |  |
    5 |  ~~  |   ~~|     |  ~  |  |  |   ~~|          for all hackers.
    6 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    7  Copyright (c) 2000-2019
    8 	Tama Communications Corporation
    9 
   10  This file is free software; as a special exception the author gives
   11  unlimited permission to copy and/or distribute it, with or without
   12  modifications, as long as this notice is preserved.
   13 
   14  This program is distributed in the hope that it will be useful, but
   15  WITHOUT ANY WARRANTY, to the extent permitted by law; without even the
   16  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
   17 
   18 		----------------------------------
   19 
   20 ChangeLog about GNU GLOBAL
   21 
   22 June 7 2019, Shigio YAMAGUCHI
   23 
   24 	Removed the -T option of perl from the CGI scripts in htags/,
   25 	because env(1) cannot treat it correctly without -S option on FreeBSD.
   26 
   27 	$ cat test.sh
   28 	#!/usr/bin/env perl -T
   29 	print "Hello!\n";
   30 	$ ./test.sh
   31 	env: perl -T: No such file or directory
   32 
   33 March 21 2019, Shigio YAMAGUCHI
   34 
   35 	Moved convert.c, convert.h, output.c, output.h from 'global/' to 'libutil/'.
   36 
   37 July 15 2018, Shigio YAMAGUCHI
   38 
   39 	[icons, jquery]
   40 	Moved 'icons/' and 'jquery/' from the root directory of the project to 'htags/'.
   41 	It seems to be a more suitable place.
   42 
   43 June 11 2018, Shigio YAMAGUCHI
   44 
   45 	[gtags-cscope/find.c]
   46 	Replaced the system(3) function with the secure_popen utilities (libutil/secure_popen.c)
   47 	for security and readability.
   48 
   49 March 15 2018, Shigio YAMAGUCHI
   50 
   51 	Moved sqlite3.c and sqlite3.h from 'libglibc/' to 'libdb/'.
   52 	It seems to be a more suitable place.
   53 
   54 December 12 2017, Shigio YAMAGUCHI
   55 
   56 	[plugin-factory/maps2conf.pl]
   57 	Added new script 'maps2conf.pl', which converts from the output of 
   58         'ctags --list-maps' into a gtags.conf record. It supports Exuberant Ctags
   59 	and Universal Ctags.
   60 
   61 	[usage]
   62 	perl maps2conf.pl <ctags-path> <plugin-path> [<label>]
   63 
   64 	The default of <label> is 'default'. You can use this script to make
   65 	'gtags.conf' file for ctags plug-in parser. Please try this:
   66 
   67 	$ perl maps2conf.pl /usr/local/bin/ctags '$libdir/gtags/universal-ctags.la' >gtags.conf
   68 	$ gtags         # use Universal Ctags as a parser
   69 
   70 	It assumed that '/usr/local/bin/ctags' above is Universal Ctags.
   71 
   72 August 30 2017, Shigio YAMAGUCHI
   73 
   74 	[libutil/find.c]
   75 	In addition to the skip by regular expression, the following
   76 	files are skipped in ignore() function previously now.
   77 	o Files which start with '.'
   78 	o Tag files (GPATH, GTAGS, GRTAGS)
   79 
   80 	The regular expression is left, because xxx_filelist() functions
   81 	require it.
   82 
   83 December 30 2016, Shigio YAMAGUCHI
   84 
   85 	Added taint mode to the following CGI scripts:
   86 	global.cgi.in
   87 	completion.cgi.in
   88 
   89 December 21 2016, Shigio YAMAGUCHI
   90 
   91 	Rewrote the following functions without popen(3) in order not to cause
   92 	unnecessary security anxiety.
   93 	completion_idutils()
   94 	idutils()
   95 
   96 	These functions are called from CGI scripts of htags(1).
   97 
   98 December 16 2016, Shigio YAMAGUCHI
   99 
  100 	Rewrote the following CGI scripts using perl5 syntax:
  101 	global.cgi.in
  102 	completion.cgi.in
  103 
  104 	There were many perl5.* incompatible with each other in the past.
  105 	Even then perl4 syntax always worked correctly. But this problem
  106 	was a thing of the past. Perl4 syntax is now meaningless.
  107 
  108 October 22 2016, Shigio YAMAGUCHI
  109 
  110 	Removed the following files:
  111 	BOKIN_MODEL
  112 	BOKIN_MODEL_FAQ
  113 
  114 	BOKIN model was finished. Now GLOBAL is not a BOKINware.
  115 
  116 October 8 2016, Shigio YAMAGUCHI
  117 
  118 	Added the following library source code. Though it's a GNU version,
  119 	I derived them from the latest Universal Ctags archive not to make
  120 	differences.
  121 
  122         libglibc/fnmatch.c
  123         libglibc/fnmatch.h
  124 
  125 March 9 2016, Shigio YAMAGUCHI
  126 
  127 	Now, the following files in datadir are static.
  128 	- completion.cgi
  129 	- global.cgi
  130 	- jscode_suggest
  131 	- jscode_treeview
  132 	- style.css
  133 
  134 February 3 2016, Shigio YAMAGUCHI
  135 
  136 	[Plug-in parser]
  137 	Added new plug-in parser 'universal-ctags.la'.
  138 	It is made using exuberant-ctags.c and -DUSE_EXTRA_FIELDS compile option.
  139 
  140 	[gtags.conf]
  141 	Added new entry 'universal-ctags'.
  142 	Added new variables 'ctagscom'.
  143 
  144 	[Plug-in interface]
  145 	Added new plug-in interface function getconf().
  146 	You can access config variables of gtags(1) from plug-in parsers.
  147 
  148 Nov 30 2015, Shigio YAMAGUCHI
  149 
  150 	Replaced @libdir_QUOTED@ with configuration variable in gtags.conf.in.
  151 
  152 Nov 21 2015, Shigio YAMAGUCHI
  153 
  154 	Removed ctags-5.8.patch, because Universal Ctags supports reference tags
  155 	by itself now.
  156 	Added new test for Universal Ctags.
  157 
  158 Oct 14 2015, Shigio YAMAGUCHI
  159 
  160 	[configure.ac]
  161 	Replaced @prefix_QUOTED@ with @libdir_QUOTED@ in gtags.conf.in.
  162 	From now on, you can use the --prefix, --exec-prefix and --libdir
  163 	options to set a value of @libdir_QUOTED@. This was done by Kevin Farshaw.
  164 
  165 	[libparser/parser.c]
  166 	Changed dynamic loading code using ld_dlopenext().
  167 	(Fedora packaging guidelines prohibit .la files)
  168 
  169 	if (ld_dlopen('foo.la') == FAILED)
  170 		error_and_exit();
  171 	|
  172 	v
  173 	if (ld_dlopen('foo.la') == FAILED)
  174 		if (ld_dlopenext('foo') == FAILED)
  175 			error_and_exit();
  176 
  177 	From now on, extension of DLL is needless.
  178 
  179 June 22 2015, Shigio YAMAGUCHI
  180 
  181 	To recover easiness of reading source code, removed Doxygen tags
  182 	in the source code except for the followings:
  183 	('description' should be plain text)
  184 
  185 	/**< description */
  186 
  187 	/**
  188 	 *	description
  189 	 *      @param[in]      var     description
  190 	 *      @param[out]     var     description
  191 	 *      @param[in,out]  var     description
  192 	 *      @return                 description
  193 	 */
  194 
  195 November 10 2014, Shigio YAMAGUCHI
  196 
  197 	Included SQLite3 version 3.8.7.1 into 'libglibc'.
  198 
  199 November 7 2014, Shigio YAMAGUCHI
  200 
  201 	Added support of Sqlite3 API for tag files (alpha quality).
  202 	If you will test the code then please do as follows:
  203 
  204         [building phase]
  205         $ ./configure --with-sqlite3
  206 
  207         [executing phase]
  208         $ gtags --sqlite3
  209 
  210 June 28 2014, Shigio YAMAGUCHI
  211 
  212 	New environment variable GTAGSLOGICALPATH was added.
  213 	If it is set then GLOBAL use logical path (PWD), else
  214 	physical path. This variable is now undocumented.
  215 
  216 March 17 2014, Shigio YAMAGUCHI
  217 
  218 	libutil/pathconvert.c module was divided into the following two modules:
  219 	o libutil/encodepath.c
  220 	o global/convert.c
  221 	According to the change, the function of the --path command of gtags(1)
  222 	(undocumented) was moved to global(1)'s --path-convert command.
  223 
  224 December 18 2013, Shigio YAMAGUCHI
  225 
  226 	The following paths were removed from the candidate list of configuration file.
  227 
  228 	/etc/global.conf (OLD_GTAGSCONF)
  229 	/etc/gtags/global.conf (OLD_DEBIANCONF)
  230 
  231 	These paths were not documented once.
  232 
  233 November 17 2013, Shigio YAMAGUCHI
  234 
  235 	Added two functions: copyfile(), copydirectory(). They remove the necessity
  236 	of external command 'cp'.
  237 
  238 June 17 2013, Shigio YAMAGUCHI
  239 
  240 	Dependence to dbop.c module was eliminated from assoc.c module.
  241 
  242 June 12 2013, Shigio YAMAGUCHI
  243 
  244 	File 'HTML/sitekey' (--system-cgi option) was removed since it is unnecessary.
  245 
  246 December 11 2012, Shigio YAMAGUCHI
  247 
  248 	Some Automake macros were changed as follows to avoid warning messages.
  249 	o INCLUDES was changed to AM_CPPFLAGS
  250 	o AC_PROG_RANLIB was removed.
  251 
  252 December 3 2012, Shigio YAMAGUCHI
  253 
  254 	[global/literal.c]
  255 	Included fgrep's code of 4.3BSD.
  256 
  257 October 20 2012, Shigio YAMAGUCHI
  258 
  259 	Added support for type string of ctags.
  260 	Configure script detects whether ctags has --gtags option or not.
  261 	However, I don't know whether the ctags which has this option will be released.
  262 
  263 	Exuberant Ctags with --gtags option:
  264 	$ ctags --gtags -x ...
  265 	D main              320 global/global.c  main(int argc, char **argv)
  266 	R NULL              325 global/global.c  const char *av = NULL;
  267 	=
  268 	^-- Type string (D: definition, R: other than definition)
  269 
  270 October 13 2012, Shigio YAMAGUCHI
  271 
  272 	Comments were rewritten in the Doxygen style. Submitted by Simon Dommett.
  273 	To generate a document, please invoke make command in the root directory
  274 	of the project like follows:
  275 
  276 	$ make doxygen
  277 
  278 	doxygen 1.8.2 is required.
  279 
  280 June 9 2012, Shigio YAMAGUCHI
  281 
  282 	Added BUILD_TOOLS file, which includes the list of version numbers
  283 	of the building tools used for building GLOBAL. It is automatically
  284 	generated by reconf.sh.
  285 
  286 March 15 2011, Shigio YAMAGUCHI
  287 
  288 	Included cscope's source code.
  289 
  290 	[Added source files]		[cscope-15.7]
  291 	m4/check_curses.m4		configure.in
  292 	gtags-cscope/manual.in		doc/cscope.1
  293 	gtags-cscope/alloc.c		src/alloc.c
  294 	gtags-cscope/alloc.h		src/alloc.h
  295 	gtags-cscope/basename.c		src/basename.c
  296 	gtags-cscope/build.c		src/build.c
  297 	gtags-cscope/build.h		src/build.h
  298 	gtags-cscope/command.c		src/command.c
  299 	gtags-cscope/constants.h	src/constants.h
  300 	gtags-cscope/display.c		src/display.c
  301 	gtags-cscope/edit.c		src/edit.c
  302 	gtags-cscope/exec.c		src/exec.c
  303 	gtags-cscope/global-cscope.h	src/global.h
  304 	gtags-cscope/gtags-cscope.c	src/main.c
  305 	gtags-cscope/help.c		src/help.c
  306 	gtags-cscope/history.c		src/history.c
  307 	gtags-cscope/input.c		src/input.c
  308 	gtags-cscope/library.h		src/library.h
  309 	gtags-cscope/logdir.c		src/logdir.c
  310 	gtags-cscope/mouse.c		src/mouse.c
  311 	gtags-cscope/mygetenv.c		src/mygetenv.c
  312 	gtags-cscope/mypopen.c		src/mypopen.c
  313 	gtags-cscope/version-cscope.h	src/version.h
  314 
  315 February 4 2011, Shigio YAMAGUCHI
  316 
  317 	Configure.ac was modified to detect POSIX sort program automatically.
  318 
  319 August 30 2010, Shigio YAMAGUCHI
  320 
  321 	Renamed the style sheet file in the source package from style.css to
  322 	style.css.tmpl, because to follow the custom of naming of other templates.
  323 
  324 August 12 2010, Shigio YAMAGUCHI
  325 
  326 	Modification of the -S option.
  327 
  328 	o Renamed from '-S(--secure-cgi)' to '--system-cgi' because the
  329 	  parameter is changed.
  330 	o Changed the site key directory from 'datadir' to 'localstatedir'
  331 	  because 'datadir' is for read-only data.
  332 	o Changed the permission of the site key directory from 773 to 775.
  333 
  334 	These most was suggested by Ron Lee.
  335 
  336 June 27 2010, Shigo YAMAGUCHI
  337 
  338 	Modification of the -S option.
  339 
  340 	1. New htags requires a unique key as the parameter of the -S option.
  341 	   (It is a incompatible change.)
  342 	2. Htags makes a file whose name is the key in shared area, and
  343 	   put the path of the HTML directory in it.
  344 	3. To make the file name unique, a key that already exists
  345 	   is not allowed without --over-write option.
  346 
  347 	[in /var/src]
  348 	$ htags ... -S key1
  349 		       ====
  350 			 |
  351 			 +----------------+-----+
  352 					  v     |               
  353 	[/usr/local/share/gtags/sitekeys/key1]  |
  354 	+--------------------------------       |
  355 	|/var/src/HTML                          |     ... (2)
  356 						|
  357 	[/var/src/HTML/index.html]              |
  358 	+--------------------------------       |
  359 	|...                                    v
  360 	|<input type='hidden' name='id' value='key1'> ... (1)
  361 					       ====
  362 
  363 	The center CGI script can know the path of the HTML directory by the following
  364 	method.
  365 
  366 	(1) get a unique key from the variable 'id'
  367 		=> 'key1'
  368 	(2) read directory name from '/usr/local/share/gtags/sitekeys/' + 'key1'
  369 		=> '/var/src/HTML'
  370 
  371 	This mechanism conceals the real path name of the HTML directory.
  372 
  373 May 21 2010, Shigo YAMAGUCHI
  374 
  375 	* Removed support for command layer plug-in parser(gtags-parser/).
  376 
  377 May 20 2010, Shigo YAMAGUCHI
  378 
  379 	* Changed the architecture of gtags(1) from 2 pass to 1 pass.
  380 
  381 	[Old]
  382 
  383         Pass 1:                      +-------+ 
  384           source files =============>| gtags |============> GTAGS
  385                                      |       |============> GPATH
  386                                      |       |============> temporary file
  387                                      +-------+
  388         Pass 2:                      +-------+
  389          temporary file ============>| gtags |============> GRTAGS
  390                   GTAGS ============>|       |============> GSYMS
  391                                      +-------+
  392 	[New]
  393 
  394         Pass 1:                      +-------+
  395           source files =============>| gtags |============> GPATH
  396                                      |       |==>[sort]===> GTAGS
  397                                      |       |==>[sort]===> GRTAGS
  398                                      +-------+
  399 	(1) 1 pass architecture
  400 		GLOBAL doesn't use GSYMS any longer. Symbols stored there before are
  401 		put into GRTAGS instead. The divergence to GRTAGS and GSYMS is done
  402 		in referring stage (gtags_first() and gtags_next()) not in generating
  403 		stage. This change removes complexity from the program very much.
  404 	 
  405 	(2) Sorted writing
  406 		The (1) brings a big GRTAGS and decrease at the writing speed.
  407 		To avoid it, the records written to tag files are sorted beforehand.
  408 		This function becomes effective if DBOP_SORTED_WRITE flag is specified
  409 		for function dbop_open(). It uses an external POSIX sort program.
  410 
  411 	Note: In the new method, temporary file doesn't become unnecessary.
  412 	Because the external sort program also uses temporary files for its job.
  413 
  414 	This small work greatly depends on the big work by Hideki IWAMOTO on February 1 2010.
  415 
  416 April 27 2010, Shigo YAMAGUCHI
  417 
  418 	* Changed the cache format (htags/cache.c) like follows:
  419 
  420 	(1) Duplicate tag file
  421 	     +--------------------+           +---------------------+
  422 	     | <fid> <frequency>\0|        -> | <fid>\0<frequency>\0|
  423 	     +--------------------+           +---------------------+
  424 						'D/<fid>.html'
  425 	(2) Tag definition
  426 	     +---------------------------+    +----------------------+
  427 	     |<line number> <file name>\0| -> |<line number>\0<fid>\0|
  428 	     +---------------------------+    +----------------------+
  429 						'S/<fid>.html#<line number>'
  430 
  431 March 8 2010, Shigio YAMAGUCHI
  432 
  433 	* Changed the default parser of gtags(1) from gtags-parser(1) to libgloparser.a.
  434 	  Config parameter 'use_builtin_parser' is not used any longer. If the config
  435 	  variable GTAGS is defined then gtags(1) use the command layer parser specified
  436 	  by the variable as well as before. But it is obsolete.
  437 
  438 February 27 2010, Hideki IWAMOTO
  439 
  440 	* Added support of function layer plugin parser.
  441 	  Libtool 2.2.6b or later is required to build CVS version.
  442 
  443 February 3 2010, Shigio YAMAGUCHI
  444 
  445 	* Use invisible temporary files instead of visible files (htags/assoc.c).
  446 
  447 February 1 2010, Hideki IWAMOTO
  448 
  449 	* Added built-in parser to improve the performance of making tag files.
  450 
  451 	  When the built-in parser is used, the source files are parsed only once. 
  452 	  The candidate of reference and other symbols are written to the temporary
  453 	  file in Pass1, and read in Pass2.
  454 
  455 	Pass 1:
  456 	                             +-------+ 
  457 	  source files =============>| gtags |============> GTAGS
  458 	                             |       |============> GPATH
  459 	                             |       | tag record
  460 	                             |       |============> temporary file
  461 	                             +-------+
  462 	Pass 2:
  463 	                 tag record  +-------+
  464 	 temporary file ============>| gtags |============> GRTAGS
  465 	                             |       |
  466 	          GTAGS ============>|       |============> GSYMS
  467 	                             +-------+
  468 
  469 February 18 2009, Shigio YAMAGUCHI
  470 
  471 	* Rewrote the stack in libutil/find.c using the varray (libutil/varray.c)
  472 	  instead of static array.
  473 	* Changed gtags(1) not to do useless inspection for the files in the
  474 	  directories which are listed in the skip list.
  475 
  476 September 27 2008, by Shigio YAMAGUCHI
  477 
  478 	* Changed the default cache size of DB library from 5M to 50M bytes.
  479 	* Recovered the code in which pread/pwrite is used in BSD db library.
  480 	  However, this code is not automatically used. To include the code,
  481 	  please invoke configure script with the --with-pread-pwrite option.
  482 	  The original code was written by Hideki IWAMOTO.
  483 
  484 July 14 2008, by Shigio YAMAGUCHI
  485 
  486 	* Changed gtags(1) to skip all files whoes first character of name is '.'.
  487 
  488 	The following path was deleted from the DEFAULTSKIP in configure.ac, since new
  489 	rule covers them.
  490 
  491 	.notfunction
  492 	.gdbinit
  493 	.cvsrc
  494 	.cvsignore
  495 	.gitignore
  496 	.cvspass
  497 	.cvswrappers
  498 	.deps/
  499 	.snprj/
  500 	.svn/
  501 	.git/
  502 
  503 April 21 2008, by Shigio YAMAGUCHI
  504 
  505 	* gtags.vim: Stopped use of temporary file.
  506 
  507 March 25 2008, by Shigio YAMAGUCHI
  508 
  509 	* gtags.vim, gtags.pl: rewritten using new '--from-here' option of global(1).
  510 	* Added htags/ghtml.cgi.tmpl.
  511 	* Described the method of apache setting as a comment in htags/global.cgi.tmpl.in.
  512 	* Modifications to allow symbolic link.
  513 	  To realize it, normalize_path() and abs2rel() in libutil/abs2rel.c module is used
  514 	  instead of realpath(3) library function.
  515 	* gtags.el and gtags.vim are rewritten using new '--from-here' option of global(1).
  516 
  517 October 26 2007, by Shigio YAMAGUCHI
  518 
  519 	* Added file 'DONORS' which includes the list of donations to GNU GLOBAL.
  520 	* Idset module: Performance improvement of idset module by using "unsigned long"
  521 	  instead of "unsigned int" for bitmask. This is necessary to use 64 bit processor
  522 	  effectively.
  523 
  524 July 6 2007, by Shigio YAMAGUCHI
  525 
  526 	* Migrated to GPLv3 and LGPLv3.
  527 	* gtags.conf.in: Migrated to simple all-permissive license.
  528 
  529 May 5 2007, by Shigio YAMAGUCHI
  530 
  531 	* New files: BOKIN_MODEL, BOKIN_MODEL_FAQ, DONORS
  532 
  533 March 10 2007, Shigio YAMAGUCHI
  534 
  535 	* gtags.el: Added (provide 'gtags).
  536 	* libutil/env.c: Use putenv(3) if it is available else use setenv(3).
  537 	  Some systems don't have setenv(3).
  538 
  539 January 29 2007, Shigio YAMAGUCHI
  540 
  541 	* Further compression of tag file (format version 5).
  542 	  - Tag name is compressed.
  543 	  - Each line number might be expressed as difference from the previous
  544 	    line number except for the head.
  545 	  	ex: 11,3,2 means '11 14 16'.
  546 	  - In addition, successive line numbers are expressed as range (n1-n2).
  547 	  	ex: 11-3 means '11 12 13 14'.
  548 
  549 	* global(1): Sort filter was moved from the output filter to the input filter.
  550 
  551 	   ( input )     |    ( m a i n )      |      ( o u t p u t )
  552 	   gtagsop       |      global         |  tagsort   |  pathconvert
  553 	  ---------------+---------------------+------------+--------------
  554 	   expand tag +------------+             sort tag     convert path
  555 				   |                 |
  556 	       +-------------------------------------+
  557 	       v                   v
  558 	   sort tag        expand tag                         convert path
  559 
  560 	  Instead, the processing of expanding tag was moved to the main module.
  561 	  This improves the performance when compact format is used, since
  562 	  sorting is done before expanding.
  563 
  564 	  Recent architecture (GLOBAL-5.0 - 5.3)
  565 
  566 	  +===========================================+
  567 	  |global(write)->[sort filter]->[path filter]|->[stdout]
  568 	  +===========================================+
  569 	 
  570 	  New architecture (GLOBAL-5.4 -)
  571 	  
  572 	  +===========================================+
  573 	  |[sort filter]->global(write)->[path filter]|->[stdout]
  574 	  +===========================================+
  575 
  576 	* Removed some code which call the following method:
  577 	  putenv utimes
  578 		They are not natural method today.
  579 	  pread pwrite
  580 		They are risky since they are not used so much and are not
  581 		often so tested.  It was found that the pread and pwrite in cygwin
  582 		are buggy. Though it is not our business, user is not guilty too.
  583 	  strdup
  584 		It is not needed since we use check_strdup() instead.
  585 	* Added some new modules.
  586 	  pool - allocate and free memory for temporary use.
  587 	  fileop - operation for opening and closing file.
  588 	* Added some new methods.
  589 	  strmake module - strcmp_withterm()
  590 	* Removed some modules.
  591 	  global/filter, libutil/tagsort
  592 	* idset module:
  593 	  - Added new functions idset_first(), idset_next() and idset_empty().
  594 	  - Changed bitmask from char(8 bits) to integer (maybe 32 or 64 bits)
  595 	    to improve performance.
  596 
  597 November 20 2006, Shigio YAMAGUCHI
  598 
  599 	* gtags.el:
  600 	  - gtags-make-complete-list is deprecated.
  601 	    Added gtags-completing-gtags, gtags-completing-gsyms and gtags-completing.
  602 	  - Throw away the output of gozilla in 'gtags-display-browser'.
  603 
  604 August 8 2006, Shigio YAMAGUCHI
  605 
  606 	* htags/fileindex.c: Rewritten using recursive call instead of stack structures.
  607 	* gozilla.c: Fixed getURL() according to new GPATH.
  608 	* Replaced malloc(), realloc() and stdup() with check_xxxx() functions.
  609 	* Added icon files (icons/*png).
  610 
  611 June 10 2006, Shigio YAMAGUCHI
  612 
  613 	* Recovered original texinfo file names (.txi -> .texi).
  614 
  615 April 21 2006, Shigio YAMAGUCHI
  616 
  617 	Change in tag format:
  618 	* Moved to new tag format. New tag format is as follows.
  619 	  GTAGS (with compress option)
  620 		<file id> <tag name> <line number> <compressed line image>
  621 	  GRTAGS, GSYMS (with compact option)
  622 		<file id> <tag name> <line number>[,...]
  623 	* Now, GPATH has path names of not only source files but
  624 	  also other text files. The following commands no longer
  625 	  traverse file system. They read GPATH instead.
  626 		global(1) with the --other option.
  627 		htags(1) with the --other option.
  628 
  629 	Change in architecture:
  630 	* Changed the filtering architecture of global(1).
  631 	
  632 	  Old architecture (- GLOBAL-4.7.8)
  633 
  634 	  process1          process2       process3
  635 	  +=============+  +===========+  +===========+
  636 	  |global(write)|->|sort filter|->|path filter|->[stdout]
  637 	  +=============+  +===========+  +===========+
  638 	
  639 	  New architecture (GLOBAL-5.0 -)
  640 
  641 	  1 process
  642 	  +============================================+
  643 	  |global(write) ->[sort filter]->[path filter]|->[stdout]
  644 	  +============================================+
  645 	
  646 	  For the convenience of debugging, the old architecture is
  647 	  also available. If macro EXTERNAL_FILTER is defined in filter.c
  648 	  old architecture is selected.
  649 
  650 	  The following options are also offered. (These options will be
  651 	  deleted perhaps sooner or later.)
  652 
  653 	    gtags --path={absolute|relative} --format={path|ctags|ctags-x|grep}
  654 	    gtags --sort --format={path|ctags|ctags-x|grep} [--unique]
  655 	    global --nofilter=[{path|sort}]
  656 	    global --filter=[{path|sort}]
  657 	    global --nosource
  658 	
  659 	  Moved the processing by which various formats are generated from
  660 	  the main body of global(1) to the path filter. The main body
  661 	  generates only two formats: path and ctags-x.
  662 	  Path filter generates various formats which are given by the
  663 	  --result=<format> option.
  664 
  665 	Change in CGI mechanism:
  666 	* The 'cgi-bin/' directory which generated by htags(1) doesn't
  667 	  have any tag files. CGI script uses the tag files in the root
  668 	  directory of a source project instead.
  669 
  670 	New modules:
  671 	* Added strhash module (strhash.c and strhash.h) to libutil.
  672 	  Replaced the hash mechanism for compact format with this module.
  673 	* Added xargs module (xargs.c and xargs.h) to libutil.
  674 	  Replaced the xargs(1) like mechanism with this module.
  675 	* Added pathconvert module (pathconvert.c and pathconvert.h) to libutil.
  676 	  This module composes a part of an internal pipeline.
  677 	* Added tagsort module (tagsort.c and tagsort.h) to libutil.
  678 	  Replaced external sort filter (gnusort) with internal one
  679 	  (tagsort module). Gnusort was removed. As a result, GLOBAL
  680 	  became free from dependence on external commands.
  681 	* Included GLIBC files obstack.c, obstack.h, hash-string.c and
  682 	  hash-string.h.
  683 
  684 	Internal options:
  685 	* Removed two hidden options, --find and --other from gtags(1),
  686 	  since they are no longer used.
  687 	* Added new internal format 'ctags-xid' of global(1).
  688 	  The anchor generation method of the global.cgi was changed.
  689 	  Global.cgi script was modified to use the --result=ctags-xid
  690 	  option of global(1)
  691 	* Removed the -cc, -ccc, -cccc option of gtags(1).
  692 	  These options were undocumented and only for testing.
  693 	* Removed two hidden options, --find and --other from gtags(1),
  694 	  since they are no longer used.
  695 
  696 	Coding style:
  697 	* End of support of K&R.
  698 	* Changed function declarations to ANSI C style.
  699 
  700 September 30 2005, Shigio YAMAGUCHI
  701 
  702         * Updated GNU Free Documentation License.(1.1->1.2)
  703         * Updated doc/texinfo.tex using texinfo-4.8.
  704         * BSD advertising clause was deleted, according to the declaration
  705           by UCB.
  706         * Added new module idset.
  707         * Added new function exec_line_limit() in env.c.
  708         * Added new function find_open_filelist() for the --file=xxx option.
  709           Find_read() and find_close() is shared by both find_open_filelist()
  710           and find_open().
  711         * Added new config option --with-db185-compat[=DIR].
  712           This is not for normal use, but for debugging.
  713         * Decreased use of popen() by moving the conversion from tabs to
  714           spaces into htags.
  715         * Reimplemented 'gtags --sort' without gnusort.
  716         * The default cache size was changed from 500000 to 5000000.
  717           Though I was assuming the machine equipped with 32-64MB,
  718           in a recent machine, even small one has 256-512MB memory.
  719 
  720 May 12 2005, Shigio YAMAGUCHI
  721 
  722         * htags: New macro TOPDIR and SUBDIR added for readability.
  723         * htags: Quoted the "&" in attribute value.
  724         * Changed the address of FSF for each file.
  725 
  726 April 19 2005, Shigio YAMAGUCHI
  727 
  728 	* htags: Added new functions to generate anchor tag.
  729 	  For <a href=*** ...>
  730 	  - gen_href_begin_with_title_target()
  731 	  - gen_href_begin_simple()
  732 	  - gen_href_begin()
  733 	  - gen_href_begin_with_title()
  734 	  - gen_href_end()
  735 	  For <a name=***>
  736 	  - gen_name_number()
  737 	  - gen_name_string()
  738 	* htags, gtags-parser: Defined lex name generation rule.
  739 	  - Change prefix * to *_.
  740 	  - New lex name generation rule.
  741 	  - New macro definition (LEXTEXT, LEXLENG, ...))
  742 	* Added new macro STATIC_STRBUF(sb).
  743 	* Added new macros (PART_TAG, PART_LNO, PART_PATH, PART_LINE).
  744 	* strbuf.[ch]: Memory management was made more efficient.
  745 	* Added const prefix to char * if it is suitable.
  746 	* Install gtags.el into the $datadir/gtags directory instead of
  747 	  the site lisp directory because the installation procedure
  748 	  fails when the site lisp directory doesn't exist.
  749 
  750 February 26 2005, Shigio YAMAGUCHI
  751 
  752         * Required version of autotools was updated.
  753           - Autoconf 2.59
  754           - Automake 1.9.3
  755           Configure.ac was modified according to the new style.
  756         * Install gtags.el into the site lisp directory.
  757         * When child process terminates abnormally, the program
  758           execution is ended.
  759         * The gctags directory was renamed to gtags-parser according to
  760           the renaming of the command.
  761         * gtags-parser: Modified to use a switch table for switching
  762           language.
  763 
  764 November 11 2004, Shigio YAMAGUCHI
  765 
  766         * Assembly language parser rewritten using Yacc.
  767         * libutil/strmake.c: strtrim() added.
  768         * libutil/varray.c added.
  769 
  770         Decrease in dependency to external commands:
  771         * The sed(1), sort(1) and find(1) are not necessary any longer.
  772         * The support of find(1) as a method of directory traversing
  773           was ended. As a result, dirent(3) became indispensable.
  774           The configuration phase was changed like follows:
  775 
  776                 if dirent(3) exist then
  777                         use dirent(3)
  778                 else if find(1) exist then
  779                         use find(1)
  780                 else
  781                         ERROR
  782                         |
  783                         v
  784                 if dirent(3) exist then
  785                         use dirent(3)
  786                 else
  787                         ERROR
  788         * Htags.pl was removed completely. Therefore, the --date, --pwd,
  789           --write and --scandb option of gtags(1) which was used internally
  790           by htags.pl, were removed.
  791         * Includes GNU sort as part of GLOBAL package.
  792           This solves following troubles:
  793           - A certain operating system has another 'sort' command
  794             that specification is different from GNU sort. Unluckily,
  795             the command is often invoked for GLOBAL.
  796           - Multi-language version of sort is often very slow. Since GLOBAL
  797             doesn't support multi-language, the slowness is quite meaningless.
  798           - In the past, the specification of sort command was changed.
  799 
  800 October 6 2004, Shigio YAMAGUCHI
  801 
  802 	* libutil/langmap.c, langmap.h added.
  803 	  Config variable 'langmap' will be added officially sooner or later.
  804 	* gctags/asm_res.in and htags/asm.l added.
  805 	* fileindex.c: makeincludeindex() was cut out from makefileindex()
  806 	  for statistic.
  807 	* The priority of the method selection for directory traversing
  808 	  was changed like follows:
  809 
  810 		if find(1) exist then
  811 			use find(1)
  812 		else
  813 			use dirent(3)
  814 			|
  815 			v
  816 		if dirent(3) exist then
  817 			use dirent(3)
  818 		else if find(1) exist then
  819 			use find(1)
  820 		else
  821 			ERROR
  822 
  823 	* gozilla: removed the Win32 version of sendbrowser, using a direct
  824 	  call to ShellExecute (since the browser probably isn't on the path,
  825 	  and -remote doesn't seem to work on Windows).
  826 	* htags/src2html.c: Modified to use a switch table for switching
  827 	  language.
  828 
  829 August 26 2004, Shigio YAMAGUCHI
  830 
  831 	* Moved function now() from gtags.c to libutil/date.c.
  832 	* htags: Changed so that the path passed to CGI might be encoded to %xx.
  833 	* htags: Rewritten in C language.
  834 	* htags: The use of the 'gtags --write' was stopped.
  835 	* die.c: New function sethandler() and warning() added.
  836 	* gctags/reserved.pl: The use of the --key-positions option of gperf(1)
  837 	  was stopped. We need gperf-3.0.1 instead.
  838 
  839 June 1 2004, Shigio YAMAGUCHI
  840 
  841 	* htags: Function usable() was changed to the same specification
  842 	  as usable() in libutil/usable().
  843 	* htags: Execution path of global(1) was changed to the absolute path.
  844 	* htags: Write FILEMAP file for reference from external system.
  845 	* conf.c: New config variable 'bindir' and 'datadir' added.
  846 	* w32/ directory removed.
  847 
  848 Feb 1 2004, Shigio YAMAGUCHI
  849 
  850 	* Rewrite strbuf_putn() without snprintf().
  851 	* Created datadir, the default is '/usr/local/share/gtags'.
  852 	  The following files are installed into the directory:
  853 	  AUTHORS COPYING ChangeLog FAQ INSTALL LICENSE NEWS README THANKS
  854 	  globash.rc gtags.conf gtags.el gtags.pl gtags.vim nvi-1.79-gtags.diff
  855 
  856 Oct 3 2003, Shigio YAMAGUCHI
  857 
  858 	* gtags.conf.in, libutil/conf.h.in: Now gtags.conf and conf.h
  859 	  are generated by Autoconf.
  860 	* The priority of the method of directory traverse was reversed again,
  861 	  because, in some GNU/Linux, struct dirent has a member d_type but
  862 	  always return 0. As the result, if find(1) is available then use it,
  863 	  otherwise use dirent(3).
  864 
  865 July 2 2003, Shigio YAMAGUCHI
  866 
  867 	* gctags: If you want to build this parser from original source in
  868 	  CVS repository then it is necessary to install flex(1) and gperf(1)
  869 	  in your environment. (Since both of them are GNU software,
  870 	  you can get them from GNU ftp site.)
  871 	* reserved.pl: Generate C and Perl code for locating reserved words.
  872 	* gtags.c: The --createdb and the --readdb option which used for anchor
  873 	  database were removed, because there is no necessity any longer.
  874 
  875 June 5 2003, Shigio YAMAGUCHI
  876 
  877 	* libutil/env.c: replace putenv() and setenv() with set_env();
  878 	* libutil/char.c,char.h: New files.
  879 	* libutil/find.c: Skip symbolic links to eliminate the difference
  880 	  between find(1) version and dirent(3) version.
  881 	* htags.in: Remove tag name and line image from cache record.
  882 	  This made cache file smaller.
  883 	* htags.in: Stop using anchor db. Up to now, only gtags had called
  884 	  the parser. But hereafter, the parser will be called by both
  885 	  gtags and htags.
  886 	* global.c: About the -g option, implementation using grep + xargs
  887 	  was removed.
  888 	* libutil/find.c: The priority of the method of directory traverse
  889 	  was reversed. If dirent(3) is available, then use it to traverse
  890 	  directory tree. Otherwise use find(1).
  891 	* configure.ac: --with-cflags=[=VAL] was removed.
  892 	  Please use ./configure CFLAGS=VAL instead.
  893 	* reconf.sh: --configure, --make and --install option added.
  894 
  895 March 29 2003, Shigio YAMAGUCHI
  896 
  897 	* C.c,Cpp.c: move some code into condition_macro.
  898 	* C.h, Cpp.h, java.h: replace #define macro with enum member
  899 	  for representing reserved words.
  900 	* htags.in: add reserved words.
  901 	* htags/manual.in: add description about configuration variable
  902 	  'table_begin' and 'tabel_end'.
  903 	* htags.in, manual.in: add configuration variables
  904 	  'colorize_warned_line', 'warned_line_begin', 'warned_line_end'.
  905 	* dbop.c: environment variable GTAGSCACHE added.
  906 
  907 November 9 2002, Shigio YAMAGUCHI
  908 
  909 	* gtags.c: --convert/--createdb/--readdb/--scandb option added.
  910 	* btreeop: replaced with gtags and removed.
  911 	* split.c: use SPLIT structure which manage sub-string.
  912 	* gtagsop.c: now format version is 3 (pathindex format).
  913 	* configure.ac: fixed for Autoconf-2.53 and renamed.
  914 	* acconfig.h: removed because it is considered to be obsoleted.
  915 	* gctags: inittable() added for each parser, which set up reserved
  916 	  word table.
  917 	* doc/*.texi: renamed from *.texi to *.txi for djgpp.
  918 	* libutil: linetable.[ch] added.
  919 
  920 July 4 2002, Shigio YAMAGUCHI
  921 
  922 	* gctags.c: allows second argument in *ENTRY for 4.3BSD.
  923 	* split.c: splitting function added.
  924 	* strlimcpy.c: replaced strcpy() and strncpy() with strlimcpy().
  925 	* strbuf.c: strbuf_putn() added.
  926 	* conf.c find.c: shut buffer overflow.
  927 	* gtags, htags: './' removed from path name in verbose message.
  928 	* *.c, *.h: copyright year fixed.
  929 	* configure.in: macro AG_BYTE_ORDER recovered.
  930 	* htags: sort command replaced with gtags --sort in makedupindex()
  931 	  so that sort can treat smaller number of tag lines.
  932 	* htags: makedupindex() rewritten for performance.
  933 
  934 March 30 2002, Shigio YAMAGUCHI
  935 
  936 	* conf.c: added GPATH,GTAGS,GRTAGS,GSYMS,tags,TAGS,ID to DEFAULTSKIP.
  937 	* find.c: decreased dependency on find(1).
  938 	  removed length argument from find_read().
  939 	* global.texi: documentation reconstructed.
  940 	* globash.rc: --no-wait option added to emacsclient.
  941 	* gozilla: gozilla directory added.
  942 	* abs2rel.c: added for path conversion. pathfilter with sed(1)
  943 	  is replaced gtags(1) --relative or --absolute.
  944 	* global: use lid(1) rather than gid(1).
  945 	* usable.c: locate command for BINDIR before PATH.
  946 	* htags: bless.sh remove cgi-bin/global.cgi because it is not needed.
  947 	* htags: changed open into 'open + exec' to avoid command substitutions
  948 	  in pattern.
  949 
  950 January 22 2002, Shigio YAMAGUCHI
  951 
  952 	* htags: build trouble fixed.
  953 	  global.cgi wasn't generated correctly.
  954 
  955 January 10 2002, Shigio YAMAGUCHI
  956 
  957 	* DJGPP support code added.
  958 	  Jason Hood ported Global-4.0.1 into DJGPP environment.
  959 	  I have merged his code into this version.
  960 	* gtags.pl added.
  961 	* Convert.pl added. From now on, usage, help, man, info are
  962 	  generated automatically by this script from */manual.in files.
  963 	* gtags, global: make exit code rule:
  964 	  0:normal, 1:exception, 2:usage, 3:GTAGS not found.
  965 
  966 November 23 2001, Shigio YAMAGUCHI
  967 
  968 	* gtags: format char for strftime() changed (%e -> %d).
  969 	* gtags: the path of gctags changed from 'gctags' to '$bindir/gctags'.
  970 	* htags: use gtags --date and gtags --pwd instead of date and pwd.
  971 	  Above changes are for Windows 32 environment.
  972 	* rename file: pathop.[ch] -> gpathop.[ch].
  973 	* rename functions: pathxxx -> gpath_xxx, gtagsxxx -> gtags_xxx.
  974 	* rename functions: ffindxxx -> find_xxx, gfindxxx -> gfind_xxx.
  975 	* libglibc/snprintf.c added.
  976 	* move gfind_xxx from libutil/find.c to libutil/gpathop.c.
  977 
  978 July 31 2001, Shigio YAMAGUCHI
  979 
  980 	* VERSION: removed.
  981 	* compat.h: moved to libdb/.
  982 	* machine/: removed.
  983 	* htags: WWW link in hypertext was modified.
  984 	* gtags.c, global.c: rewrite code for putenv(3) using malloc(3).
  985 
  986 July 12 2001, Shigio YAMAGUCHI
  987 
  988 	* config variable HAVE_SNPRINTF and AC_FUNC_ALLOCA added.
  989 	* stop using MAXENVLEN because it brings buffer overflow.
  990 	* htags.pl: the value of id changed from src directory
  991 	  to HTML directory.
  992 	* libutil/conf.c: error check added.
  993 	* libutil/gtagsop.c: replace notnamechar() with isregex().
  994 	* put '#assert' into reserved word.
  995 	* reconf.sh: command for generating configure added.
  996 	* Copyright notice added for short files that are not important
  997 	  enough to worry about copylefting.
  998 	* libdb/db.h: typdefs pgno_t, indx_t and recno_t changed into macros.
  999 	* gctags/{C.c,Cpp.c}: memory violation fixed.
 1000 	* libutil/getopt* and libregex/* moved to new libglibc/ directory.
 1001 
 1002 September 26 2000, Shigio YAMAGUCHI
 1003 
 1004 	* htags.pl: use generated path of perl for global.cgi.
 1005 	* global.1, htags.1, btreeop.1: fix missing .El.
 1006 	* make version number 'major.minor.fixed'.
 1007 
 1008 September 3 2000, Shigio YAMAGUCHI
 1009 
 1010 	* license changed from BSD-style to GPL.
 1011 	* now generated automatically by Automake and Autoconf.
 1012 	* nvi-1.79-gtags.diff: put into the public domain.
 1013 	* htags.pl: command path in global.cgi becomes generated
 1014 	  at execution time. usable() changed to return path.
 1015 	* htags.pl: optimized about temporary database.
 1016 	* htags.pl: most code which depend on javascript are removed
 1017 	  because most of browsers don't support the language.
 1018 	* mgets.c: now belongs strbuf.c as strbuf_fgets().
 1019 	* strbuf.c: new argument 'initial buffer size' of strbuf_open().
 1020 	* global.conf: one line script for ctags-exuberant fixed.
 1021 	* Cpp.h, java.h: MAXCLASSSTACK changed from 10 to 100.
 1022 	* use snprintf(3) instead of sprintf(3). 
 1023 	* replace Henry Spencer's regex(3) with GNU's one.
 1024 	* gctags/C.c: ignore 'extern' to treat 'extern func() { ...}'. 
 1025 	* global.c: use grep(1) if grep and xargs(1) are available.
 1026 	* global.c: use find(1) if find is available.
 1027 	* gtags.el: re-implement as a minor mode (gtags-mode) and
 1028 	  a major mode (gtags-select-mode) to work with other major mode
 1029 	  like c-mode.
 1030 	  prefix 'gtags-' added to all functions to avoid conflicts with
 1031 	  other packages..
 1032 
 1033 December 23, 1999, Shigio YAMAGUCHI
 1034 
 1035 	* htags.pl: change the process of removing cache file.
 1036 	* global.c, gtagsop.c, dbop.c: processing of regular expression
 1037 	  is moved from command level (global.c) to library level
 1038 	  (gtagsop.c) for optimizing -s option.
 1039 	* find.c: gfindopen(), gfindread(), gfindclose() added for
 1040 	  optimizing -g option.
 1041 
 1042 November 3, 1999, Shigio YAMAGUCHI
 1043 
 1044 	* htags: stop memory cache.
 1045 	* token.c: change buffer type from char to unsigned char.
 1046 
 1047 September 17, 1999, Shigio YAMAGUCHI
 1048 
 1049 	* compat.h: macro for solaris added.
 1050 	* Makefile.bsd: delete libregex.a target because BSD has it in libc.
 1051 
 1052 August 29, 1999, Shigio YAMAGUCHI
 1053 
 1054 	* gozilla: add DDE communication code in Windows 32.
 1055 
 1056 August 26, 1999, Shigio YAMAGUCHI
 1057 
 1058 	* Cygwin support code added.
 1059 	  David Aspinwall ported Global-3.44 into cygwin32 environment.
 1060 	  I referred his code but I didn't use it in as is style, because it
 1061 	  conflicted against Dan Fandrich's Windows 32 code. I wrote new
 1062 	  code for cygwin32 borrowing David's idea.
 1063 	  So any bugs in this area are therefore my fault, not David's.
 1064 	* htags: stop using cp(1).
 1065 
 1066 August 23, 1999, Shigio YAMAGUCHI
 1067 
 1068 	* Windows 32 support code added.
 1069 	  Dan Fandrich ported Global-3.44 into Windows 32 environment.
 1070 	  I have included his code into this version (3.5) and altered them
 1071 	  for some (mainly licensing) reasons, so any bugs in this area
 1072 	  are therefore my fault, not Dan's.
 1073 	* copyright notice of Tama Communications Corporation added.
 1074 	* Henry Spencer's regex(3) imported.
 1075 	* gtags.el: now detect XEmacs.
 1076 	* htags: rewrite header #!/usr/bin/perl -> #!/usr/bin/env perl
 1077 	* find.c: USEFIND undefined by default.
 1078 
 1079 March 22, 1999, Shigio YAMAGUCHI
 1080 
 1081 	* htags: internal path changed for ISO9660 file system.
 1082 	* htags: --action=url, --id=id and --nocgi options added to realize
 1083 	  Ron Lee's htmake. (internal use only - undocumented)
 1084 	* Makefile.generic: DESTDIR macro added.
 1085 	* db(3) 1.85 imported to keep machine independence in generic make.
 1086 	  'dbpatches' already has been applied.
 1087 
 1088 January 20, 1999, Shigio YAMAGUCHI
 1089 
 1090 	* wrong copyright notice fixed. (regents -> author)
 1091 	* gtags.el: stop auto execution of gtags-make-complete-list.
 1092 	* gtags: prohibit user from using a path including blanks.
 1093 	* gozilla: path conversion rule added.(It will be used in the future.)
 1094 	* htags: META TAG added to reject robots.
 1095 
 1096 January 8, 1999, Shigio YAMAGUCHI
 1097 
 1098 	* 'void main()' changed into 'int main()'.
 1099 
 1100 December 10, 1998, Shigio YAMAGUCHI
 1101 
 1102 	* rename db_XXX to dbop_XXX because some of them conflict against
 1103 	  functions in db-2.X.
 1104 	* nvi-1.79-m17n.diff: deleted because it is hard for me to maintain
 1105 	  it. Sorry.
 1106 
 1107 November 8, 1998, Shigio YAMAGUCHI
 1108 
 1109 	* global: --filter option added. (internal use only - undocumented)
 1110 	* htags: tabs parameter added in global.conf to change tab stop.
 1111 	* Makefile.generic: make sub makefiles inherit the macros from
 1112 	  the root Makefile.
 1113 
 1114 September 13, 1998, Shigio YAMAGUCHI
 1115 
 1116 	* Makefile: library name changed from libutil.a to libgloutil.a
 1117 	  because that conflicts against other library.
 1118 	* gctags: rewritten completely.
 1119 	  Thanks to Ken Arnold and the other people who developed BSD ctags(1).
 1120 	  Without it, GLOBAL had never been here.
 1121 
 1122 August 31, 1998, Shigio YAMAGUCHI
 1123 
 1124 	* nvi-1.79-m17n.diff: patch for multilingual nvi added.
 1125 	* nvi-1.66.diff: patch for nvi-1.66 added.
 1126 	* nvi-1.34.diff: deleted because it is old enough to support.
 1127 	* gozilla/Imakefile: make it possible to build gozilla alone without
 1128 	  building libgloutil.a.
 1129 
 1130 August 4, 1998, Shigio YAMAGUCHI
 1131 
 1132 	* gtags: --find option and --expand option added.
 1133 	  (internal use only - undocumented)
 1134 	* global.conf, lib/conf.c: 'CVS/' added to 'skip' parameter.
 1135 	* gtags.conf: 'reserved_words' variable for htags(1) deleted.
 1136 	  It is now hard coded.
 1137 	* find.c: dirent version added.
 1138 
 1139 July 5, 1998, Shigio YAMAGUCHI
 1140 
 1141 	* fixed warning by -Wall -Wmissing-prototypes.
 1142 
 1143 June 25, 1998, Shigio YAMAGUCHI
 1144 
 1145 	* gctags, gtags: -c option moved from gctags to gtags.
 1146 	  (It is needed for supporting plugged-in parser.)
 1147 	* htags: URL of GLOBAL home page changed.
 1148 	* gtags.c: replace "%+" of strftime with "%a %b %e %H:%M:%S %Z %Y".
 1149 	  for Debian GNU linux 1.3.1.
 1150 
 1151 January 13, 1998, Shigio YAMAGUCHI
 1152 
 1153 	* gctags/Makefile, gctags/Makefile.generic, gctags/ctags.h:
 1154 	  definitions of GLOBAL and YACC moved from Makefile to ctags.h.
 1155 
 1156 December 11, 1997, Shigio YAMAGUCHI
 1157 
 1158 	* lib/Makefile.generic:
 1159 	  change MANDIR definition from /usr/share/man to /usr/man.
 1160 	  replace `lorder $(OBJS) | tsort -q` to already sorted list
 1161 	  for S.u.S.E Linux 5.1.
 1162 	* gtags, lib/test.c: a few changes for Solaris environment.
 1163 	* htags/Makefile, systags/Makefile:
 1164 	  rewrite ${DESTDIR}/usr/bin to ${DESTDIR}${BINDIR}.
 1165 
 1166 December 7, 1997, Shigio YAMAGUCHI
 1167 
 1168 	* global,gtags,gozilla: rewritten with C for performance.
 1169 	* htags: shape up anchor database.
 1170 
 1171 November 7, 1997, Shigio YAMAGUCHI
 1172 
 1173 	* Makefile.generic: a few change for Debian GNU/Linux.
 1174 
 1175 September 20, 1997, Shigio YAMAGUCHI
 1176 
 1177 	* gctags, btreeop: remove <err.h> for portability.
 1178 	* btreeop: 'detab() + fprintf' is replaced with 'detab_print()'.
 1179 	* gtags, htags, global: don't restrict PATH to '/bin:/usr/bin'
 1180 	  like version 1.9 and the former.
 1181 	* htags: shut a security hole.
 1182 	* all command: description of exit code in on-line manual fixed.
 1183 	* gozilla: support X-property communication to mozilla.
 1184 	  See http://home.netscape.com/newsref/std/x-remote.html.
 1185 
 1186 July 7, 1997, Shigio YAMAGUCHI
 1187 
 1188 	* htags: tuned for performance.
 1189 	* gtags, gctags: move some code for assembly source from gtags
 1190 	  to gctags.
 1191 	* gtags, htags, global: restrict PATH to '/bin:/usr/bin'.
 1192 	* nvi-1.76.diff: deleted because it is old enough.
 1193 
 1194 April 21, 1997, Shigio YAMAGUCHI
 1195 
 1196 	* gctags, btreeop: a few changes for SunOS 4.1.3.
 1197 	* global: 'format version record' implemented.
 1198 	  (It will be used in the future.)
 1199 	* htags: use temporary directory specified by TMPDIR environment
 1200 	  variable.
 1201 	* nvi-1.79.diff: added for nvi-1.79.
 1202 
 1203 April 5, 1997, Shigio YAMAGUCHI
 1204 
 1205 	* gctags, btreeop, Makefile: a few changed for Linux and Solaris.
 1206 	* htags: changed internal separator from '|' to ' ', because some OS
 1207 	  cannot treat '|' in a path.
 1208 	* gctags, htags: regard 'entry' as a reserved word.
 1209 
 1210 February 17, 1997, Shigio YAMAGUCHI
 1211 
 1212 	* htags: htags no longer makes frame.html. index.html includes frame.
 1213 	* htags: tuned for performance.
 1214 
 1215 January 21, 1997, Shigio YAMAGUCHI
 1216 
 1217 	* gctags: import ctags.c and apply ctags.diff for generic UNIX.
 1218 	* htags: cease using <BLOCKQUOTE> because lynx doesn't understand it.
 1219 	* global,htags: replace 'sort -u' with 'sort | uniq' for compatibility.
 1220 	* nvi-1.76.diff: added for nvi 1.76.
 1221 
 1222 October 26, 1996, Shigio YAMAGUCHI
 1223 
 1224 	* ctags.diff: now search all part of a yacc file for C functions.
 1225 	  (original only 3rd part)
 1226 	* ctags.diff: no longer consider a yacc rule to be an object.
 1227 
 1228 June 7, 1996, Shigio YAMAGUCHI
 1229 
 1230 	* use bsearch(3) for searching reserved words.
 1231 
 1232 April 21, 1996, Shigio YAMAGUCHI
 1233 
 1234 	* global.pl, gtags.sh, btreeop.c, ctags.diff, Makefile.
 1235 	* only support FreeBSD 2.0.5R, 2.1R and 2.1.5R.