| blob | 1bc23b4ce58b62ca6101c1fa9478d2bca7efe3a2 |
1 /* $NetBSD: version.c,v 1.3 2013/09/04 19:44:21 tron Exp $ */
3 /*
4 * Copyright (C) 1984-2012 Mark Nudelman
5 *
6 * You may distribute under the terms of either the GNU General Public
7 * License or the Less License, as specified in the README file.
8 *
9 * For more information, see the README file.
10 */
13 /*
14 ----------------------- CHANGE HISTORY --------------------------
16 1/29/84 Allowed use on standard input
17 2/1/84 Added E, N, P commands
18 4/17/84 Added '=' command, 'stop' signal handling
19 4/20/84 Added line folding
20 v2 4/27/84 Fixed '=' command to use BOTTOM_PLUS_ONE,
21 instead of TOP, added 'p' & 'v' commands
22 v3 5/3/84 Added -m and -t options, '-' command
23 v4 5/3/84 Added LESS environment variable
24 v5 5/3/84 New comments, fixed '-' command slightly
25 v6 5/15/84 Added -Q, visual bell
26 v7 5/24/84 Fixed jump_back(n) bug: n should count real
27 lines, not folded lines. Also allow number on G command.
28 v8 5/30/84 Re-do -q and -Q commands
29 v9 9/25/84 Added "+<cmd>" argument
30 v10 10/10/84 Fixed bug in -b<n> argument processing
31 v11 10/18/84 Made error() ring bell if \n not entered.
32 -----------------------------------------------------------------
33 v12 2/13/85 Reorganized signal handling and made portable to 4.2bsd.
34 v13 2/16/85 Reword error message for '-' command.
35 v14 2/22/85 Added -bf and -bp variants of -b.
36 v15 2/25/85 Miscellaneous changes.
37 v16 3/13/85 Added -u flag for backspace processing.
38 v17 4/13/85 Added j and k commands, changed -t default.
39 v18 4/20/85 Rewrote signal handling code.
40 v19 5/2/85 Got rid of "verbose" eq_message().
41 Made search() scroll in some cases.
42 v20 5/21/85 Fixed screen.c ioctls for System V.
43 v21 5/23/85 Fixed some first_cmd bugs.
44 v22 5/24/85 Added support for no RECOMP nor REGCMP.
45 v23 5/25/85 Miscellanous changes and prettying up.
46 Posted to USENET.
47 -----------------------------------------------------------------
48 v24 6/3/85 Added ti,te terminal init & de-init.
49 (Thanks to Mike Kersenbrock)
50 v25 6/8/85 Added -U flag, standout mode underlining.
51 v26 6/9/85 Added -M flag.
52 Use underline termcap (us) if it exists.
53 v27 6/15/85 Renamed some variables to make unique in
54 6 chars. Minor fix to -m.
55 v28 6/28/85 Fixed right margin bug.
56 v29 6/28/85 Incorporated M.Rose's changes to signal.c
57 v30 6/29/85 Fixed stupid bug in argument processing.
58 v31 7/15/85 Added -p flag, changed repaint algorithm.
59 Added kludge for magic cookie terminals.
60 v32 7/16/85 Added cat_file if output not a tty.
61 v33 7/23/85 Added -e flag and EDITOR.
62 v34 7/26/85 Added -s flag.
63 v35 7/27/85 Rewrote option handling; added option.c.
64 v36 7/29/85 Fixed -e flag to work if not last file.
65 v37 8/10/85 Added -x flag.
66 v38 8/19/85 Changed prompting; created prompt.c.
67 v39 8/24/85 (Not -p) does not initially clear screen.
68 v40 8/26/85 Added "skipping" indicator in forw().
69 Posted to USENET.
70 -----------------------------------------------------------------
71 v41 9/17/85 ONLY_RETURN, control char commands,
72 faster search, other minor fixes.
73 v42 9/25/85 Added ++ command line syntax;
74 ch_fsize for pipes.
75 v43 10/15/85 Added -h flag, changed prim.c algorithms.
76 v44 10/16/85 Made END print in all cases of eof;
77 ignore SIGTTOU after receiv ing SIGTSTP.
78 v45 10/16/85 Never print backspaces unless -u.
79 v46 10/24/85 Backwards scroll in jump_loc.
80 v47 10/30/85 Fixed bug in edit(): *first_cmd==0
81 v48 11/16/85 Use TIOCSETN instead of TIOCSETP.
82 Added marks (m and ' commands).
83 Posted to USENET.
84 -----------------------------------------------------------------
85 v49 1/9/86 Fixed bug: signal didn't clear mcc.
86 v50 1/15/86 Added ' (quote) to gomark.
87 v51 1/16/86 Added + cmd, fixed problem if first_cmd
88 fails, made g cmd sort of "work" on pipes
89 ev en if bof is no longer buffered.
90 v52 1/17/86 Made short files work better.
91 v53 1/20/86 Added -P option.
92 v54 1/20/86 Changed help to use HELPFILE.
93 v55 1/23/86 Messages work better if not tty output.
94 v56 1/24/86 Added -l option.
95 v57 1/31/86 Fixed -l to get confirmation before
96 ov erwriting an existing file.
97 v58 8/28/86 Added filename globbing.
98 v59 9/15/86 Fixed some bugs with very long filenames.
99 v60 9/26/86 Incorporated changes from Leith (Casey)
100 Leedom for boldface and -z option.
101 v61 9/26/86 Got rid of annoying repaints after ! cmd.
102 Posted to USENET.
103 -----------------------------------------------------------------
104 v62 12/23/86 Added is_directory(); change -z default to
105 -1 instead of 24; cat-and-exit if -e and
106 file is less than a screenful.
107 v63 1/8/87 Fixed bug in cat-and-exit if > 1 file.
108 v64 1/12/87 Changed puts/putstr, putc/putchr,
109 getc/getchr to av oid name conflict with
110 stdio functions.
111 v65 1/26/87 Allowed '-' command to change NUMBER
112 v alued options (thanks to Gary Puckering)
113 v66 2/13/87 Fixed bug: prepaint should use force=1.
114 v67 2/24/87 Added !! and % expansion to ! command.
115 v68 2/25/87 Added SIGWINCH and TIOCGWINSZ support;
116 changed is_directory to bad_file.
117 (thanks to J. Robert Ward)
118 v69 2/25/87 Added SIGWIND and WIOCGETD (for Unix PC).
119 v70 3/13/87 Changed help cmd from 'h' to 'H'; better
120 error msgs in bad_file, errno_message.
121 v71 5/11/87 Changed -p to -c, made triple -c/-C
122 for clear-eol like more's -c.
123 v72 6/26/87 Added -E, -L, use $SHELL in lsystem().
124 (thanks to Stev e Spearman)
125 v73 6/26/87 Allow Examine "#" for previous file.
126 Posted to USENET 8/25/87.
127 -----------------------------------------------------------------
128 v74 9/18/87 Fix conflict in EOF symbol with stdio.h,
129 Make os.c more portable to BSD.
130 v75 9/23/87 Fix problems in get_term (thanks to
131 Paul Eggert); new backwards scrolling in
132 jump_loc (thanks to Marion Hakanson).
133 v76 9/23/87 Added -i flag; allow single "!" to
134 inv oke a shell (thanks to Franco Barber).
135 v77 9/24/87 Added -n flag and line number support.
136 v78 9/25/87 Fixed problem with prompts longer than
137 the screen width.
138 v79 9/29/87 Added the _ command.
139 v80 10/6/87 Allow signal to break out of linenum scan.
140 v81 10/6/87 Allow -b to be changed from within less.
141 v82 10/7/87 Add cmd_decode to use a table for key
142 binding (thanks to Dav id Nason).
143 v83 10/9/87 Allow .less file for user-defined keys.
144 v84 10/11/87 Fix -e/-E problems (thanks to Felix Lee).
145 v85 10/15/87 Search now keeps track of line numbers.
146 v86 10/20/87 Added -B option and autobuf; fixed
147 "pipe error" bug.
148 v87 3/1/88 Fix bug re BSD signals while reading file.
149 v88 3/12/88 Use new format for -P option (thanks to
150 der Mouse), allow "+-c" without message,
151 fix bug re BSD hangup.
152 v89 3/18/88 Turn off line numbers if linenum scan
153 is interrupted.
154 v90 3/30/88 Allow -P from within less.
155 v91 3/30/88 Added tags file support (new -t option)
156 (thanks to Brian Campbell).
157 v92 4/4/88 Added -+option syntax.
158 v93 4/11/88 Add support for slow input (thanks to
159 Joe Orost & apologies for taking almost
160 3 years to get this in!)
161 v94 4/11/88 Redo reading/signal stuff.
162 v95 4/20/88 Repaint screen better after signal.
163 v96 4/21/88 Add /! and ?! commands.
164 v97 5/17/88 Allow -l/-L from within less.
165 Eliminate some static arrays (use calloc).
166 Posted to USENET.
167 -----------------------------------------------------------------
168 v98 10/14/88 Fix incorrect calloc call; uninitialized
169 var in exec_mca; core dump on unknown TERM.
170 Make v cmd work if past last line of file.
171 Fix some signal bugs.
172 v99 10/29/88 Allow space between -X and string,
173 when X is a string-valued option.
174 v100 1/5/89 Fix globbing bug when $SHELL not set;
175 allow spaces after -t command.
176 v101 1/6/89 Fix problem with long (truncated) lines
177 in tags file (thanks to Neil Dixon).
178 v102 1/6/89 Fix bug with E# when no prev file;
179 allow spaces after -l command.
180 v103 3/14/89 Add -N, -f and -? options. Add z and w
181 commands. Add %L for prompt strings.
182 v104 3/16/89 Added EDITPROTO.
183 v105 3/20/89 Fix bug in find_linenum which cached
184 incorrectly on long lines.
185 v106 3/31/89 Added -k option and multiple lesskey
186 files.
187 v107 4/27/89 Add 8-bit char support and -g option.
188 Split option code into 3 files.
189 v108 5/5/89 Allocate position table dynamically
190 (thanks to Paul Eggert); change % command
191 from "percent" to vi-style brace finder.
192 v109 5/10/89 Added ESC-% command, split prim.c.
193 v110 5/24/89 Fixed bug in + option; fixed repaint bug
194 under Sun windows (thanks to Paul Eggert).
195 v111 5/25/89 Generalized # and % expansion; use
196 calloc for some error messages.
197 v112 5/30/89 Get rid of ESC-%, add {}()[] commands.
198 v113 5/31/89 Optimize lseeks (thanks to Paul Eggert).
199 v114 7/25/89 Added ESC-/ and ESC-/! commands.
200 v115 7/26/89 Added ESC-n command.
201 v116 7/31/89 Added find_pos to optimize g command.
202 v117 8/1/89 Change -f option to -r.
203 v118 8/2/89 Save positions for all previous files,
204 not just the immediately previous one.
205 v119 8/7/89 Save marks across file boundaries.
206 Add file handle stuff.
207 v120 8/11/89 Add :ta command.
208 v121 8/16/89 Add -f option.
209 v122 8/30/89 Fix performance with many buffers.
210 v123 8/31/89 Verbose prompts for string options.
211 Posted beta to USENET.
212 -----------------------------------------------------------------
213 v124 9/18/89 Reorganize search commands,
214 N = rev, ESC-n = span, add ESC-N.
215 v125 9/18/89 Fix tab bug (thanks to Alex Liu).
216 Fix EOF bug when both -w and -c.
217 v126 10/25/89 Add -j option.
218 v127 10/27/89 Fix problems with blank lines before BOF.
219 v128 10/27/89 Add %bj, etc. to prompt strings.
220 v129 11/3/89 Add -+,-- commands; add set-option and
221 unset-option to lesskey.
222 v130 11/6/89 Generalize A_EXTRA to string, remove
223 set-option, unset-option from lesskey.
224 v131 11/7/89 Changed name of EDITPROTO to LESSEDIT.
225 v132 11/8/89 Allow editing of command prefix.
226 v133 11/16/89 Add -y option (thanks to Jeff Sullivan).
227 v134 12/1/89 Glob filenames in the -l command.
228 v135 12/5/89 Combined {}()[] commands into one, and
229 added ESC-^F and ESC-^B commands.
230 v136 1/20/90 Added -S, -R flags. Added | command.
231 Added warning for binary files. (thanks
232 to Richard Brittain and J. Sullivan).
233 v137 1/21/90 Rewrote horrible pappend code.
234 Added * notation for hi-bit chars.
235 v138 1/24/90 Fix magic cookie terminal handling.
236 Get rid of "cleanup" loop in ch_get.
237 v139 1/27/90 Added MSDOS support. (many thanks
238 to Richard Brittain).
239 v140 2/7/90 Editing a new file adds it to the
240 command line list.
241 v141 2/8/90 Add edit_list for editing >1 file.
242 v142 2/10/90 Add :x command.
243 v143 2/11/90 Add * and @ modifies to search cmds.
244 Change ESC-/ cmd from /@* to / *.
245 v144 3/1/90 Messed around with ch_zero;
246 no real change.
247 v145 3/2/90 Added -R and -v/-V for MSDOS;
248 renamed FILENAME to avoid conflict.
249 v146 3/5/90 Pull cmdbuf functions out of command.c
250 v147 3/7/90 Implement ?@; fix multi-file edit bugs.
251 v148 3/29/90 Fixed bug in :e<file> then :e#.
252 v149 4/3/90 Change error,ierror,query to use PARG.
253 v150 4/6/90 Add LESS_CHARSET, LESS_CHARDEF.
254 v151 4/13/90 Remove -g option; clean up ispipe.
255 v152 4/14/90 lsystem() closes input file, for
256 editors which require exclusive open.
257 v153 4/18/90 Fix bug if SHELL unset;
258 fix bug in overstrike control char.
259 v154 4/25/90 Output to fd 2 via buffer.
260 v155 4/30/90 Ignore -i if uppercase in pattern
261 (thanks to Michael Rendell.)
262 v156 5/3/90 Remove scroll limits in forw() & back();
263 causes problems with -c.
264 v157 5/4/90 Forward search starts at next real line
265 (not screen line) after jump target.
266 v158 6/14/90 Added F command.
267 v159 7/29/90 Fix bug in exiting: output not flushed.
268 v160 7/29/90 Clear screen before initial output w/ -c.
269 v161 7/29/90 Add -T flag.
270 v162 8/14/90 Fix bug with +F on command line.
271 v163 8/21/90 Added LESSBINFMT variable.
272 v164 9/5/90 Added -p, LINES, COLUMNS and
273 unset mark ' == BOF, for 1003.2 D5.
274 v165 9/6/90 At EOF with -c set, don't display empty
275 screen when try to page forward.
276 v166 9/6/90 Fix G when final line in file wraps.
277 v167 9/11/90 Translate CR/LF -> LF for 1003.2.
278 v168 9/13/90 Return to curr file if "tag not found".
279 v169 12/12/90 G goes to EOF even if file has grown.
280 v170 1/17/91 Add optimization for BSD _setjmp;
281 fix #include ioctl.h TERMIO problem.
282 (thanks to Paul Eggert)
283 Posted to USENET.
284 -----------------------------------------------------------------
285 v171 3/6/91 Fix -? bug in get_filename.
286 v172 3/15/91 Fix G bug in empty file.
287 Fix bug with ?\n and -i and uppercase
288 pattern at EOF!
289 (thanks to Paul Eggert)
290 v173 3/17/91 Change N cmd to not permanently change
291 direction. (thanks to Brian Matthews)
292 v174 3/18/91 Fix bug with namelogfile not getting
293 cleared when change files.
294 v175 3/18/91 Fix bug with ++cmd on command line.
295 (thanks to Jim Meyering)
296 v176 4/2/91 Change | to not force current screen,
297 include marked line, start/end from
298 top of screen. Improve search speed.
299 (thanks to Don Mears)
300 v177 4/2/91 Add LESSHELP variable.
301 Fix bug with F command with -e.
302 Try /dev/tty for input before using fd 2.
303 Patches posted to USENET 4/2/91.
304 -----------------------------------------------------------------
305 v178 4/8/91 Fixed bug in globbing logfile name.
306 (thanks to Jim Meyering)
307 v179 4/9/91 Allow negative -z for screen-relative.
308 v180 4/9/91 Clear to eos rather than eol if "db";
309 don't use "sr" if "da".
310 (thanks to Tor Lillqvist)
311 v181 4/18/91 Fixed bug with "negative" chars 80 - FF.
312 (thanks to Benny Sander Hofmann)
313 v182 5/16/91 Fixed bug with attribute at EOL.
314 (thanks to Brian Matthews)
315 v183 6/1/91 Rewrite linstall to do smart config.
316 v184 7/11/91 Process \b in searches based on -u
317 rather than -i.
318 v185 7/11/91 -Pxxx sets short prompt; assume SIGWINCH
319 after a SIGSTOP. (thanks to Ken Laprade)
320 -----------------------------------------------------------------
321 v186 4/20/92 Port to MS-DOS (Microsoft C).
322 v187 4/23/92 Added -D option & TAB_COMPLETE_FILENAME.
323 v188 4/28/92 Added command line editing features.
324 v189 12/8/92 Fix mem overrun in anscreen.c:init;
325 fix edit_list to recover from bin file.
326 v190 2/13/93 Make TAB enter one filename at a time;
327 create ^L with old TAB functionality.
328 v191 3/10/93 Defer creating "flash" page for MS-DOS.
329 v192 9/6/93 Add BACK-TAB.
330 v193 9/17/93 Simplify binary_file handling.
331 v194 1/4/94 Add rudiments of alt_filename handling.
332 v195 1/11/94 Port back to Unix; support keypad.
333 -----------------------------------------------------------------
334 v196 6/7/94 Fix bug with bad filename; fix IFILE
335 type problem. (thanks to David MacKenzie)
336 v197 6/7/94 Fix bug with .less tables inserted wrong.
337 v198 6/23/94 Use autoconf installation technology.
338 (thanks to David MacKenzie)
339 v199 6/29/94 Fix MS-DOS build (thanks to Tim Wiegman).
340 v200 7/25/94 Clean up copyright, minor fixes.
341 Posted to prep.ai.mit.edu
342 -----------------------------------------------------------------
343 v201 7/27/94 Check for no memcpy; add casts to calloc;
344 look for regcmp in libgen.a.
345 (thanks to Kaveh Ghazi).
346 v202 7/28/94 Fix bug in edit_next/edit_prev with
347 non-existent files.
348 v203 8/2/94 Fix a variety of configuration bugs on
349 various systems. (thanks to Sakai
350 Kiyotaka, Harald Koenig, Bjorn Brox,
351 Teemu Rantanen, and Thorsten Lockert)
352 v204 8/3/94 Use strerror if available.
353 (thanks to J.T. Conklin)
354 v205 8/5/94 Fix bug in finding "me" termcap entry.
355 (thanks to Andreas Stolcke)
356 8/10/94 v205+: Change BUFSIZ to LBUFSIZE to avoid name
357 conflict with stdio.h.
358 Posted to prep.ai.mit.edu
359 -----------------------------------------------------------------
360 v206 8/10/94 Use initial_scrpos for -t to avoid
361 displaying first page before init().
362 (thanks to Dominique Petitpierre)
363 v207 8/12/94 Fix bug if stdout is not tty.
364 v208 8/16/94 Fix bug in close_altfile if goto err1
365 in edit_ifile. (Thanks to M.J. Hewitt)
366 v209 8/16/94 Change scroll to wscroll to avoid
367 conflict with library function.
368 v210 8/16/94 Fix bug with bold on 8 bit chars.
369 (thanks to Vitor Duarte)
370 v211 8/16/94 Don't quit on EOI in jump_loc / forw.
371 v212 8/18/94 Use time_t if available.
372 v213 8/20/94 Allow ospeed to be defined in termcap.h.
373 v214 8/20/94 Added HILITE_SEARCH, -F, ESC-u cmd.
374 (thanks to Paul Lew and Bob Byrnes)
375 v215 8/23/94 Fix -i toggle behavior.
376 v216 8/23/94 Process BS in all searches, not only -u.
377 v217 8/24/94 Added -X flag.
378 v218 8/24/94 Reimplement undo_search.
379 v219 8/24/94 Find tags marked with line number
380 instead of pattern.
381 v220 8/24/94 Stay at same position after SIG_WINCH.
382 v221 8/24/94 Fix bug in file percentage in big file.
383 v222 8/25/94 Do better if can't reopen current file.
384 v223 8/27/94 Support setlocale.
385 (thanks to Robert Joop)
386 v224 8/29/94 Revert v216: process BS in search
387 only if -u.
388 v225 9/6/94 Rewrite undo_search again: toggle.
389 v226 9/15/94 Configuration fixes.
390 (thanks to David MacKenzie)
391 v227 9/19/94 Fixed strerror config problem.
392 Posted to prep.ai.mit.edu
393 -----------------------------------------------------------------
394 v228 9/21/94 Fix bug in signals: repeated calls to
395 get_editkeys overflowed st_edittable.
396 v229 9/21/94 Fix "Nothing to search" error if -a
397 and SRCH_PAST_EOF.
398 v230 9/21/94 Don't print extra error msg in search
399 after regerror().
400 v231 9/22/94 Fix hilite bug if search matches 0 chars.
401 (thanks to John Polstra)
402 v232 9/23/94 Deal with weird systems that have
403 termios.h but not tcgetattr().
404 Posted to prep.ai.mit.edu
405 -----------------------------------------------------------------
406 v233 9/26/94 Use get_term() instead of pos_init() in
407 psignals to re-get lower_left termcap.
408 (Thanks to John Malecki)
409 v234 9/26/94 Make MIDDLE closer to middle of screen.
410 v235 9/27/94 Use local strchr if system doesn't have.
411 v236 9/28/94 Don't use libucb; use libterm if
412 libtermcap & libcurses doesn't work.
413 (Fix for Solaris; thanks to Frank Kaefer)
414 v237 9/30/94 Use system isupper() etc if provided.
415 Posted to prep.ai.mit.edu
416 -----------------------------------------------------------------
417 v238 10/6/94 Make binary non-blinking if LESSBINFMT
418 is set to a string without a *.
419 v239 10/7/94 Don't let delimit_word run back past
420 beginning of cmdbuf.
421 v240 10/10/94 Don't write into termcap buffer.
422 (Thanks to Benoit Speckel)
423 v241 10/13/94 New lesskey file format.
424 Don't expand filenames in search command.
425 v242 10/14/94 Allow lesskey specification of "literal".
426 v243 10/14/94 Add #stop command to lesskey.
427 v244 10/16/94 Add -f flag to lesskey.
428 v245 10/25/94 Allow TAB_COMPLETE_FILENAME to be undefd.
429 v246 10/27/94 Move help file to /usr/local/share.
430 v247 10/27/94 Add -V option.
431 v248 11/5/94 Add -V option to lesskey.
432 v249 11/5/94 Remove -f flag from lesskey; default
433 input file is ~/.lesskey.in, not stdin.
434 v250 11/7/94 Lesskey input file "-" means stdin.
435 v251 11/9/94 Convert cfgetospeed result to ospeed.
436 (Thanks to Andrew Chernov)
437 v252 11/16/94 Change default lesskey input file from
438 .lesskey.in to .lesskey.
439 Posted to prep.ai.mit.edu
440 -----------------------------------------------------------------
441 v253 11/21/94 Fix bug when tags file has a backslash.
442 v254 12/6/94 Fix -k option.
443 v255 12/8/94 Add #define EXAMINE to disable :e etc.
444 v256 12/10/94 Change highlighting: only highlite search
445 results (but now it is reliable).
446 v257 12/10/94 Add goto_line and repaint_highlight
447 to optimize highlight repaints.
448 v258 12/12/94 Fixup in hilite_line if BS_SPECIAL.
449 v259 12/12/94 Convert to autoconf 2.0.
450 v260 12/13/94 Add SECURE define.
451 v261 12/14/94 Use system WERASE char as EC_W_BACKSPACE.
452 v262 12/16/94 Add -g/-G flag and screen_hilite.
453 v263 12/20/94 Reimplement/optimize -G flag behavior.
454 v264 12/23/94 Allow EXTRA string after line-edit cmd
455 in lesskey file.
456 v265 12/24/94 Add LESSOPEN=|cmd syntax.
457 v266 12/26/94 Add -I flag.
458 v267 12/28/94 Formalize the four-byte header emitted
459 by a LESSOPEN pipe.
460 v268 12/28/94 Get rid of four-byte header.
461 v269 1/2/95 Close alt file before open new one.
462 Avoids multiple popen().
463 v270 1/3/95 Use VISUAL; use S_ISDIR/S_ISREG; fix
464 config problem with Solaris POSIX regcomp.
465 v271 1/4/95 Don't quit on read error.
466 v272 1/5/95 Get rid of -L.
467 v273 1/6/95 Fix ch_ungetchar bug; don't call
468 LESSOPEN on a pipe.
469 v274 1/6/95 Ported to OS/2 (thanks to Kai Uwe Rommel)
470 v275 1/18/95 Fix bug if toggle -G at EOF.
471 v276 1/30/95 Fix OS/2 version.
472 v277 1/31/95 Add "next" charset; don't display ^X
473 for X > 128.
474 v278 2/14/95 Change default for -G.
475 Posted to prep.ai.mit.edu
476 -----------------------------------------------------------------
477 v279 2/22/95 Add GNU options --help, --version.
478 Minor config fixes.
479 v280 2/24/95 Clean up calls to glob(); don't set #
480 if we can't open the new file.
481 v281 2/24/95 Repeat search should turn on hilites.
482 v282 3/2/95 Minor fixes.
483 v283 3/2/95 Fix homefile; make OS2 look in $HOME.
484 v284 3/2/95 Error if "v" on LESSOPENed file;
485 "%" figures out file size on pipe.
486 v285 3/7/95 Don't set # in lsystem;
487 lesskey try $HOME first.
488 v286 3/7/95 Reformat change history (too much free time?).
489 v287 3/8/95 Fix hilite bug if overstrike multiple chars.
490 v288 3/8/95 Allow lesskey to override get_editkey keys.
491 v289 3/9/95 Fix adj_hilite bug when line gets processed by
492 hilite_line more than once.
493 v290 3/9/95 Make configure automatically. Fix Sequent problem
494 with incompatible sigsetmask().
495 Posted to prep.ai.mit.edu
496 -----------------------------------------------------------------
497 v291 3/21/95 Add #env to lesskey. Fix MS-DOS build.
498 Posted to simtel.
499 -----------------------------------------------------------------
500 v292 4/24/95 Add MS-DOS support for Borland C.
501 Fix arrow keys in MS-DOS versions.
502 v293 4/28/95 Add auto-versioning stuff to make dist.
503 v294 5/12/95 Fix Borland build.
504 v295 1/20/96 Fix search on squished file; add /@@.
505 v296 1/23/96 Allow cmdbuf larger than screen width.
506 v297 1/24/96 Don't call termcap if tgetent fails;
507 add #defines for buffers.
508 v298 1/24/96 Change @@ to ^K.
509 Add alternate search modifiers ^N, ^F, ^E.
510 v299 1/25/96 Fix percent overflow in jump_percent (thanks to Brent Wiese);
511 don't send "ti" after shell command till RETURN pressed.
512 v300 1/25/96 Change -U to print tabs as ^I.
513 v301 1/30/96 Make hilites work in cmd F output.
514 v302 1/31/96 Fix cmd F to notice window-change signals.
515 v303 1/31/96 Add ESC-SPACE command.
516 v304 2/1/96 Add ^R search modifier; add LESSSECURE.
517 v305 2/2/96 Workaround Linux /proc kernel bug; add LESSKEY.
518 v306 3/16/96 Minor fixes.
519 v307 3/25/96 Allow cmd line arg "--"; fix DOS & OS/2 defines.h.
520 v308 4/4/96 Port to OS-9 (thanks to Boisy Pitre); fix -d.
521 v309 4/9/96 Fix OS-9 version; fix tags bug with "$".
522 v310 4/10/96 Get rid of HELPFILE.
523 v311 4/22/96 Add Windows32 support; merge doscreen.c into screen.c.
524 v312 4/24/96 Don't quit after "cannot reopen" error.
525 v313 4/25/96 Added horizontal scrolling.
526 v314 4/26/96 Modified -e to quit on reaching end of a squished file.
527 v315 4/26/96 Fix "!;TAB" bug.
528 v316 5/2/96 Make "|a" when (a < curr screen) go to end of curr screen.
529 v317 5/14/96 Various fixes for the MS-DOS and OS/2 builds.
530 Added ## and %% handling for filenames
531 v318 5/29/96 Port to OS-9 Microware compiler; minor fixes
532 (thanks to Martin Gregorie).
533 v319 7/8/96 Fix Windows port (thanks to Jeff Paquette).
534 v320 7/11/96 Final fixes for Windows port.
535 v321 7/18/96 Minor fixes.
536 Posted to Web page.
537 -----------------------------------------------------------------
538 v322 8/13/96 Fix bug in shell escape from help file; add support for
539 Microsoft Visual C under Windows; numerous small fixes.
540 v323 8/19/96 Fixes for Windows version (thanks to Simon Munton);
541 fix for Linux library weirdness (thanks to Jim Diamond);
542 port to DJGPP (thanks to Eli Zaretskii).
543 v324 8/21/96 Add support for spaces in filenames (thanks to Simon Munton).
544 v325 8/21/96 Add lessecho, for spaces in filenames under Unix.
545 v326 8/27/96 Fix DJGPP version.
546 v327 9/1/96 Reorganize lglob, make spaces in filenames work better in Unix.
547 v328 10/7/96 Append / to directory name in filename completion.
548 Fix MS-DOS and OS-9 versions.
549 v329 10/11/96 Fix more MS-DOS bugs; add LESSSEPARATOR; add -" option.
550 Add LESSMETACHARS, LESSMETAESCAPE.
551 v330 10/21/96 Minor fixes.
552 Posted to Web page.
553 -----------------------------------------------------------------
554 v331 4/22/97 Various Windows fixes (thanks to Gurusamy Sarathy).
555 v332 4/22/97 Enter filenames from cmd line into edit history.
556 Posted to Web page.
557 -----------------------------------------------------------------
558 v333 3/4/99 Changed -w to highlite new line after forward movement.
559 v334 3/9/99 Avoid overflowing prompt buffer; add %d and %D.
560 v335 3/20/99 Add EBCDIC support (thanks to Thomas Dorner).
561 Use HOMEDRIVE/HOMEPATH on Windows (thanks to Preston Bannister).
562 Posted to Web page.
563 -----------------------------------------------------------------
564 v336 4/8/99 Fix installation bugs.
565 v337 4/9/99 Fix another installation bug.
566 Posted to Web page.
567 -----------------------------------------------------------------
568 v338 4/13/99 Add support for long option names.
569 v339 4/18/99 Add \k, long option names to lesskey. Add -^P. Add :d.
570 v340 4/21/99 Add regexec2. Fix Windows build.
571 Posted to Web page.
572 -----------------------------------------------------------------
573 v341 5/6/99 Add -F option; %c & ?c prompt escapes.
574 (Thanks to Michele Maltoni)
575 v342 7/22/99 Add system-wide lesskey file; allow GPL or Less License.
576 v343 9/23/99 Support UTF-8 (Thanks to Robert Brady).
577 Add %P and ?P in prompts.
578 v344 10/27/99 -w highlights target line of g and p commands.
579 v345 10/29/99 Make -R pass thru ESC but not other control chars.
580 Posted to Web page.
581 -----------------------------------------------------------------
582 v346 11/4/99 Fix bugs in long option processing; R cmd should clear hilites.
583 Posted to Web page.
584 -----------------------------------------------------------------
585 v347 12/13/99 Fixes for DJGPP version (thanks to Eli Zaretskii).
586 v348 12/28/99 Fix deleting file with marks (thanks to Dimitar Jekov).
587 Fix color problem in DJGPP version (thanks to Eli Zaretskii).
588 v349 1/24/00 Fix minor DJGPP bugs; check environment vars for UTF-8;
589 add --with-editor (thanks to Eli, Markus Kuhn, Thomas Schoepf).
590 v350 3/1/00 Fix clear-while-standout bug.
591 v351 3/5/00 Change -M and = prompts to show top & bottom line number.
592 Posted to Web page.
593 -----------------------------------------------------------------
594 v352 3/8/00 Fix scan_option NULL dereference.
595 -----------------------------------------------------------------
596 v353 3/20/00 Fix SECURE compile bug, allow space after numeric option.
597 v354 3/23/00 Add support for PCRE; add --with-regex configure option.
598 -----------------------------------------------------------------
599 v355 6/28/00 Add -# option (thanks to Andy Levinson).
600 v356 7/5/00 Add -J option.
601 v357 7/6/00 Support sigprocmask.
602 -----------------------------------------------------------------
603 v358 7/8/00 Fix problems with #stop in lesskey file.
604 Posted to Web page.
605 -----------------------------------------------------------------
606 v359 9/10/00 Fixes for Win32 display problems (thanks to Maurizio Vairani).
607 v360 1/17/01 Move sysless to etc.
608 v361 12/4/01 Add IBM-1047 charset & EBCDIC fixes (thanks to Thomas Dorner).
609 Fix 32 bit dependencies (thanks to Paul Eggert).
610 Fix UTF-8 overstriking (thanks to Robert Brady).
611 v362 12/4/01 Make status column show search targets.
612 v363 12/6/01 Add --no-keypad option.
613 Add variable width tabstops (thanks to Peter Samuelson).
614 v364 12/10/01 Better handling of very long lines in input;
615 Fix horizontal shifting of colored text.
616 v365 12/11/01 Fix overstriking of tabs;
617 Add support for global(1) and multiple tag matches
618 (thanks to Shigio Yamaguchi and Tim Vanderhoek).
619 v366 12/11/01 Fixes for OS/2 (thanks to Kyosuke Tokoro).
620 v367 12/13/01 Allow -D and -x options to terminate without dollar sign;
621 Right/left arrow when entering N are shift cmds, not line edit.
622 v368 12/18/01 Update lesskey commands.
623 v370 12/23/01 Fix tags error messages.
624 Posted to Web page.
625 -----------------------------------------------------------------
626 v371 12/26/01 Fix new_file bug; use popen in Windows version;
627 fix some compiler warnings.
628 v372 12/29/01 Make -b be in units of 1K.
629 v373 1/14/02 Improve handling of filenames containing shell metachars.
630 v374 2/7/02 Fix memory leak; fix bug in -x argument parsing.
631 v375 4/7/02 Fix searching for SGR sequences; fix SECURE build;
632 add SGR support to DJGPP version (thanks to Eli Zaretskii).
633 v376 6/10/02 Fix bug in overstriking mulitbyte UTF-8 characters
634 (thanks to Jungshik Shin).
635 Posted to Web page.
636 -----------------------------------------------------------------
637 v377 9/10/02 Fix bug in Windows version when file contains CR;
638 fix bug in search highlights with -R;
639 make initial buffer limit really be 64K not unlimited.
640 v378 9/30/02 Misc bug fixes and compiler warning cleanup.
641 Posted to Web page.
642 -----------------------------------------------------------------
643 v379 11/23/02 Add -L option; fix bug with ctrl-K in lesskey files;
644 improve UTF-8 overstriking and underscore overstriking;
645 fix minor man page problems; change to autoconf 2.54.
646 v380 11/24/02 Make LINENUM same as POSITION.
647 v381 11/28/02 Make -N use 7 columns for line number if possible.
648 -----------------------------------------------------------------
649 v382 2/3/04 Remove copyrighted code.
650 -----------------------------------------------------------------
651 v383 2/16/04 Add history file; add -K option; improve UTF-8 handling;
652 fix some signed char bugs (thanks to Christian Biere);
653 fix some upper/lower case bugs (thanks to Bjoern Jacke);
654 add erase2 char (thanks to David Lawrence);
655 add windows charset (thanks to Dimitar Zhekov).
656 v384 2/20/04 Improvements in UTF-8 handling.
657 v385 2/23/04 Fix UTF-8 output bug.
658 -----------------------------------------------------------------
659 v386 9/13/05 Improvements to UTF-8 shift & color (thanks to Charles Levert);
660 protect against invalid LESSOPEN and LESSCLOSE values.
661 v387 9/14/05 Update Charles Levert's UTF-8 patch.
662 v388 9/14/05 Change history behavior; change most sprintf calls to snprintf.
663 v389 9/14/05 Fix copy & paste with long lines; improve performance of
664 expand_linebuf; fix crash in init_mlist;
665 v390 9/15/05 Show search matches in status column even if -G is set.
666 -----------------------------------------------------------------
667 v391 9/17/05 Fix bugs.
668 v392 10/14/05 Fix line wrapping bug.
669 v393 10/19/05 Allow multiple attributes per char; fix bold+underline bug
670 (thanks again to Charles Levert).
671 v394 11/8/05 Fix prompt bug; fix compile problem in Windows build.
672 -----------------------------------------------------------------
673 v395 1/12/07 Update Unicode tables (thanks to Charles Levert);
674 don't chmod if LESSHISTFILE = /dev/null;
675 make -f work for directories; support DESTDIR in Makefile;
676 fix sigset_t detection in configure;
677 make "t" cmd traverse tags in correct order
678 v396 1/13/07 Add compatibility with POSIX more.
679 v397 3/21/07 Allow decimal point in number for % command;
680 Allow decimal point in number for -j option;
681 Allow n command to fetch last search pattern from history
682 (thanks to arno).
683 v398 3/22/07 Don't rewrite history file if not necessary;
684 fix bug when filenames contain "$".
685 v399 3/22/07 Don't move to bottom of screen at startup;
686 don't output extraneous newlines.
687 v400 3/23/07 Allow search to find pattern after null byte (PCRE and no-regex)
688 (thanks to Michael Constant).
689 -----------------------------------------------------------------
690 v401 3/24/07 Minor documentation fixes.
691 v402 3/30/07 Fix autoconf bug when memcpy etc are inline;
692 fix bug in terminating number following -j option.
693 v403 5/25/07 Fix Windows build.
694 v404 6/5/07 Fix display bug with F command and long lines.
695 v405 6/17/07 Fix display bug when using -w option.
696 v406 6/17/07 Fix secure build.
697 v407 8/16/07 Fix bugs; support CSI chars.
698 v408 10/1/07 Fix bug in -i with non-ASCII chars.
699 v409 10/12/07 Fix crash when viewing text with invalid UTF-8 sequences.
700 v411 11/6/07 Fix case-insensitive searching with non-ASCII text.
701 v412 11/6/07 Use symbolic SEEK constants.
702 v413 11/6/07 Fix search highlight bug with non-ASCII text.
703 v414 11/6/07 Fix display bug with no-wrap terminals.
704 v415 11/14/07 Add --follow-name option.
705 v416 11/22/07 Fix crash when searching text with invalid UTF-8 sequences.
706 v417 12/31/07 Don't support single-char CSI in UTF-8 mode;
707 fix bug with -R and invalid CSI sequences;
708 fix bug searching text with SGR sequences with -r;
709 emulate SGR sequences in WIN32 build.
710 v418 12/31/07 Clean up.
711 -----------------------------------------------------------------
712 v419 1/16/08 Make CSI char 0x9B work in UTF-8 mode (thanks to Colin Watson).
713 v420 2/24/08 Add & command; fix -F option; fix '' after G.
714 v421 2/24/08 Ignore filtered lines when searching.
715 v422 3/2/08 Output CR at startup.
716 v423 5/27/08 Clean up.
717 v424 6/16/08 Fix compile bug with pcre; don't filter help file.
718 v425 7/14/08 Fix non-ANSI code in list handling in ch.c.
719 v426 10/27/08 Fix ignaw terminal handling (thanks to Per Hedeland);
720 fix binary file detection in UTF-8 mode.
721 v427 3/16/09 A few Win32 fixes (thanks to Jason Hood).
722 v428 3/30/09 Add "|-" syntax to LESSOPEN.
723 v429 4/10/09 Fix search highlighting bug with underlined text.
724 -----------------------------------------------------------------
725 v430 4/22/09 Don't pass "-" to non-pipe LESSOPEN unless it starts with "-".
726 v431 4/29/09 Fix highlight bug when match is at end of line.
727 v432 6/27/09 Better fix for highlight bugs;
728 fix new problems with ignaw terminals.
729 v433 6/28/09 Cleanup search code.
730 v434 6/29/09 More cleanup.
731 v435 7/04/09 Fix bugs with non-regex filtering.
732 v436 7/05/09 Fix memory leak.
733 -----------------------------------------------------------------
734 v437 7/14/09 Fix bug in handling some long option names;
735 make percentage calculation more accurate.
736 v438 12/29/10 Fix bugs with -i/-I and & filtering;
737 exit with status 2 on ctrl-C with -K.
738 v439 12/31/10 Add -A option.
739 v440 1/5/11 Fix bug displaying prompt after = command.
740 v441 1/21/11 Fix semi-infinite loop if no newlines in file;
741 make new -A behavior the default.
742 -----------------------------------------------------------------
743 v442 3/2/11 Fix search bug.
744 Add ctrl-G line edit command.
745 v443 4/9/11 Fix Windows build.
746 v444 6/8/11 Fix ungetc bug; remove vestiges of obsolete -l option.
747 -----------------------------------------------------------------
748 v445 10/19/11 Fix hilite bug in backwards scroll with -J.
749 Fix hilite bug with backspaces.
750 Fix bugs handling SGR sequences in Win32 (thanks to Eric Lee).
751 Add support for GNU regex (thanks to Reuben Thomas).
752 v446 5/15/12 Up/down arrows in cmd editing search for matching cmd.
753 v447 5/21/12 Add ESC-F command, two-pipe LESSOPEN syntax.
754 v448 6/15/12 Print name of regex library in version message.
755 v449 6/23/12 Allow config option --with-regex=none.
756 v450 7/4/12 Fix EOF bug with ESC-F.
757 v451 7/20/12 Fix typo.
758 -----------------------------------------------------------------
759 v452 10/19/12 Fix --with-regex=none, fix "stty 0", fix Win32.
760 Don't quit if errors in cmd line options.
761 v453 10/27/12 Increase buffer sizes.
762 v454 11/5/12 Fix typo.
763 v455 11/5/12 Fix typo.
764 v456 11/8/12 Fix option string incompatibility.
765 v457 12/8/12 Use new option string syntax only after --use-backslash.
766 v458 4/4/13 Fix display bug in using up/down in cmd buffer.
767 */