-
Notifications
You must be signed in to change notification settings - Fork 88
/
version.c
573 lines (569 loc) · 26.1 KB
/
version.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
/*
* Copyright (c) 1984,1985,1989,1994,1995,1996 Mark Nudelman
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice in the documentation and/or other materials provided with
* the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
----------------------- CHANGE HISTORY --------------------------
1/29/84 Allowed use on standard input
2/1/84 Added E, N, P commands
4/17/84 Added '=' command, 'stop' signal handling
4/20/84 Added line folding
v2 4/27/84 Fixed '=' command to use BOTTOM_PLUS_ONE,
instead of TOP, added 'p' & 'v' commands
v3 5/3/84 Added -m and -t options, '-' command
v4 5/3/84 Added LESS environment variable
v5 5/3/84 New comments, fixed '-' command slightly
v6 5/15/84 Added -Q, visual bell
v7 5/24/84 Fixed jump_back(n) bug: n should count real
lines, not folded lines. Also allow number on G command.
v8 5/30/84 Re-do -q and -Q commands
v9 9/25/84 Added "+<cmd>" argument
v10 10/10/84 Fixed bug in -b<n> argument processing
v11 10/18/84 Made error() ring bell if \n not entered.
-----------------------------------------------------------------
v12 2/13/85 Reorganized signal handling and made portable to 4.2bsd.
v13 2/16/85 Reword error message for '-' command.
v14 2/22/85 Added -bf and -bp variants of -b.
v15 2/25/85 Miscellaneous changes.
v16 3/13/85 Added -u flag for backspace processing.
v17 4/13/85 Added j and k commands, changed -t default.
v18 4/20/85 Rewrote signal handling code.
v19 5/2/85 Got rid of "verbose" eq_message().
Made search() scroll in some cases.
v20 5/21/85 Fixed screen.c ioctls for System V.
v21 5/23/85 Fixed some first_cmd bugs.
v22 5/24/85 Added support for no RECOMP nor REGCMP.
v23 5/25/85 Miscellanous changes and prettying up.
Posted to USENET.
-----------------------------------------------------------------
v24 6/3/85 Added ti,te terminal init & de-init.
(Thanks to Mike Kersenbrock)
v25 6/8/85 Added -U flag, standout mode underlining.
v26 6/9/85 Added -M flag.
Use underline termcap (us) if it exists.
v27 6/15/85 Renamed some variables to make unique in
6 chars. Minor fix to -m.
v28 6/28/85 Fixed right margin bug.
v29 6/28/85 Incorporated M.Rose's changes to signal.c
v30 6/29/85 Fixed stupid bug in argument processing.
v31 7/15/85 Added -p flag, changed repaint algorithm.
Added kludge for magic cookie terminals.
v32 7/16/85 Added cat_file if output not a tty.
v33 7/23/85 Added -e flag and EDITOR.
v34 7/26/85 Added -s flag.
v35 7/27/85 Rewrote option handling; added option.c.
v36 7/29/85 Fixed -e flag to work if not last file.
v37 8/10/85 Added -x flag.
v38 8/19/85 Changed prompting; created prompt.c.
v39 8/24/85 (Not -p) does not initially clear screen.
v40 8/26/85 Added "skipping" indicator in forw().
Posted to USENET.
-----------------------------------------------------------------
v41 9/17/85 ONLY_RETURN, control char commands,
faster search, other minor fixes.
v42 9/25/85 Added ++ command line syntax;
ch_fsize for pipes.
v43 10/15/85 Added -h flag, changed prim.c algorithms.
v44 10/16/85 Made END print in all cases of eof;
ignore SIGTTOU after receiv ing SIGTSTP.
v45 10/16/85 Never print backspaces unless -u.
v46 10/24/85 Backwards scroll in jump_loc.
v47 10/30/85 Fixed bug in edit(): *first_cmd==0
v48 11/16/85 Use TIOCSETN instead of TIOCSETP.
Added marks (m and ' commands).
Posted to USENET.
-----------------------------------------------------------------
v49 1/9/86 Fixed bug: signal didn't clear mcc.
v50 1/15/86 Added ' (quote) to gomark.
v51 1/16/86 Added + cmd, fixed problem if first_cmd
fails, made g cmd sort of "work" on pipes
ev en if bof is no longer buffered.
v52 1/17/86 Made short files work better.
v53 1/20/86 Added -P option.
v54 1/20/86 Changed help to use HELPFILE.
v55 1/23/86 Messages work better if not tty output.
v56 1/24/86 Added -l option.
v57 1/31/86 Fixed -l to get confirmation before
ov erwriting an existing file.
v58 8/28/86 Added filename globbing.
v59 9/15/86 Fixed some bugs with very long filenames.
v60 9/26/86 Incorporated changes from Leith (Casey)
Leedom for boldface and -z option.
v61 9/26/86 Got rid of annoying repaints after ! cmd.
Posted to USENET.
-----------------------------------------------------------------
v62 12/23/86 Added is_directory(); change -z default to
-1 instead of 24; cat-and-exit if -e and
file is less than a screenful.
v63 1/8/87 Fixed bug in cat-and-exit if > 1 file.
v64 1/12/87 Changed puts/putstr, putc/putchr,
getc/getchr to av oid name conflict with
stdio functions.
v65 1/26/87 Allowed '-' command to change NUMBER
v alued options (thanks to Gary Puckering)
v66 2/13/87 Fixed bug: prepaint should use force=1.
v67 2/24/87 Added !! and % expansion to ! command.
v68 2/25/87 Added SIGWINCH and TIOCGWINSZ support;
changed is_directory to bad_file.
(thanks to J. Robert Ward)
v69 2/25/87 Added SIGWIND and WIOCGETD (for Unix PC).
v70 3/13/87 Changed help cmd from 'h' to 'H'; better
error msgs in bad_file, errno_message.
v71 5/11/87 Changed -p to -c, made triple -c/-C
for clear-eol like more's -c.
v72 6/26/87 Added -E, -L, use $SHELL in lsystem().
(thanks to Stev e Spearman)
v73 6/26/87 Allow Examine "#" for previous file.
Posted to USENET 8/25/87.
-----------------------------------------------------------------
v74 9/18/87 Fix conflict in EOF symbol with stdio.h,
Make os.c more portable to BSD.
v75 9/23/87 Fix problems in get_term (thanks to
Paul Eggert); new backwards scrolling in
jump_loc (thanks to Marion Hakanson).
v76 9/23/87 Added -i flag; allow single "!" to
inv oke a shell (thanks to Franco Barber).
v77 9/24/87 Added -n flag and line number support.
v78 9/25/87 Fixed problem with prompts longer than
the screen width.
v79 9/29/87 Added the _ command.
v80 10/6/87 Allow signal to break out of linenum scan.
v81 10/6/87 Allow -b to be changed from within less.
v82 10/7/87 Add cmd_decode to use a table for key
binding (thanks to Dav id Nason).
v83 10/9/87 Allow .less file for user-defined keys.
v84 10/11/87 Fix -e/-E problems (thanks to Felix Lee).
v85 10/15/87 Search now keeps track of line numbers.
v86 10/20/87 Added -B option and autobuf; fixed
"pipe error" bug.
v87 3/1/88 Fix bug re BSD signals while reading file.
v88 3/12/88 Use new format for -P option (thanks to
der Mouse), allow "+-c" without message,
fix bug re BSD hangup.
v89 3/18/88 Turn off line numbers if linenum scan
is interrupted.
v90 3/30/88 Allow -P from within less.
v91 3/30/88 Added tags file support (new -t option)
(thanks to Brian Campbell).
v92 4/4/88 Added -+option syntax.
v93 4/11/88 Add support for slow input (thanks to
Joe Orost & apologies for taking almost
3 years to get this in!)
v94 4/11/88 Redo reading/signal stuff.
v95 4/20/88 Repaint screen better after signal.
v96 4/21/88 Add /! and ?! commands.
v97 5/17/88 Allow -l/-L from within less.
Eliminate some static arrays (use calloc).
Posted to USENET.
-----------------------------------------------------------------
v98 10/14/88 Fix incorrect calloc call; uninitialized
var in exec_mca; core dump on unknown TERM.
Make v cmd work if past last line of file.
Fix some signal bugs.
v99 10/29/88 Allow space between -X and string,
when X is a string-valued option.
v100 1/5/89 Fix globbing bug when $SHELL not set;
allow spaces after -t command.
v101 1/6/89 Fix problem with long (truncated) lines
in tags file (thanks to Neil Dixon).
v102 1/6/89 Fix bug with E# when no prev file;
allow spaces after -l command.
v103 3/14/89 Add -N, -f and -? options. Add z and w
commands. Add %L for prompt strings.
v104 3/16/89 Added EDITPROTO.
v105 3/20/89 Fix bug in find_linenum which cached
incorrectly on long lines.
v106 3/31/89 Added -k option and multiple lesskey
files.
v107 4/27/89 Add 8-bit char support and -g option.
Split option code into 3 files.
v108 5/5/89 Allocate position table dynamically
(thanks to Paul Eggert); change % command
from "percent" to vi-style brace finder.
v109 5/10/89 Added ESC-% command, split prim.c.
v110 5/24/89 Fixed bug in + option; fixed repaint bug
under Sun windows (thanks to Paul Eggert).
v111 5/25/89 Generalized # and % expansion; use
calloc for some error messages.
v112 5/30/89 Get rid of ESC-%, add {}()[] commands.
v113 5/31/89 Optimize lseeks (thanks to Paul Eggert).
v114 7/25/89 Added ESC-/ and ESC-/! commands.
v115 7/26/89 Added ESC-n command.
v116 7/31/89 Added find_pos to optimize g command.
v117 8/1/89 Change -f option to -r.
v118 8/2/89 Save positions for all previous files,
not just the immediately previous one.
v119 8/7/89 Save marks across file boundaries.
Add file handle stuff.
v120 8/11/89 Add :ta command.
v121 8/16/89 Add -f option.
v122 8/30/89 Fix performance with many buffers.
v123 8/31/89 Verbose prompts for string options.
Posted beta to USENET.
-----------------------------------------------------------------
v124 9/18/89 Reorganize search commands,
N = rev, ESC-n = span, add ESC-N.
v125 9/18/89 Fix tab bug (thanks to Alex Liu).
Fix EOF bug when both -w and -c.
v126 10/25/89 Add -j option.
v127 10/27/89 Fix problems with blank lines before BOF.
v128 10/27/89 Add %bj, etc. to prompt strings.
v129 11/3/89 Add -+,-- commands; add set-option and
unset-option to lesskey.
v130 11/6/89 Generalize A_EXTRA to string, remove
set-option, unset-option from lesskey.
v131 11/7/89 Changed name of EDITPROTO to LESSEDIT.
v132 11/8/89 Allow editing of command prefix.
v133 11/16/89 Add -y option (thanks to Jeff Sullivan).
v134 12/1/89 Glob filenames in the -l command.
v135 12/5/89 Combined {}()[] commands into one, and
added ESC-^F and ESC-^B commands.
v136 1/20/90 Added -S, -R flags. Added | command.
Added warning for binary files. (thanks
to Richard Brittain and J. Sullivan).
v137 1/21/90 Rewrote horrible pappend code.
Added * notation for hi-bit chars.
v138 1/24/90 Fix magic cookie terminal handling.
Get rid of "cleanup" loop in ch_get.
v139 1/27/90 Added MSDOS support. (many thanks
to Richard Brittain).
v140 2/7/90 Editing a new file adds it to the
command line list.
v141 2/8/90 Add edit_list for editing >1 file.
v142 2/10/90 Add :x command.
v143 2/11/90 Add * and @ modifies to search cmds.
Change ESC-/ cmd from /@* to / *.
v144 3/1/90 Messed around with ch_zero;
no real change.
v145 3/2/90 Added -R and -v/-V for MSDOS;
renamed FILENAME to avoid conflict.
v146 3/5/90 Pull cmdbuf functions out of command.c
v147 3/7/90 Implement ?@; fix multi-file edit bugs.
v148 3/29/90 Fixed bug in :e<file> then :e#.
v149 4/3/90 Change error,ierror,query to use PARG.
v150 4/6/90 Add LESS_CHARSET, LESS_CHARDEF.
v151 4/13/90 Remove -g option; clean up ispipe.
v152 4/14/90 lsystem() closes input file, for
editors which require exclusive open.
v153 4/18/90 Fix bug if SHELL unset;
fix bug in overstrike control char.
v154 4/25/90 Output to fd 2 via buffer.
v155 4/30/90 Ignore -i if uppercase in pattern
(thanks to Michael Rendell.)
v156 5/3/90 Remove scroll limits in forw() & back();
causes problems with -c.
v157 5/4/90 Forward search starts at next real line
(not screen line) after jump target.
v158 6/14/90 Added F command.
v159 7/29/90 Fix bug in exiting: output not flushed.
v160 7/29/90 Clear screen before initial output w/ -c.
v161 7/29/90 Add -T flag.
v162 8/14/90 Fix bug with +F on command line.
v163 8/21/90 Added LESSBINFMT variable.
v164 9/5/90 Added -p, LINES, COLUMNS and
unset mark ' == BOF, for 1003.2 D5.
v165 9/6/90 At EOF with -c set, don't display empty
screen when try to page forward.
v166 9/6/90 Fix G when final line in file wraps.
v167 9/11/90 Translate CR/LF -> LF for 1003.2.
v168 9/13/90 Return to curr file if "tag not found".
v169 12/12/90 G goes to EOF even if file has grown.
v170 1/17/91 Add optimization for BSD _setjmp;
fix #include ioctl.h TERMIO problem.
(thanks to Paul Eggert)
Posted to USENET.
-----------------------------------------------------------------
v171 3/6/91 Fix -? bug in get_filename.
v172 3/15/91 Fix G bug in empty file.
Fix bug with ?\n and -i and uppercase
pattern at EOF!
(thanks to Paul Eggert)
v173 3/17/91 Change N cmd to not permanently change
direction. (thanks to Brian Matthews)
v174 3/18/91 Fix bug with namelogfile not getting
cleared when change files.
v175 3/18/91 Fix bug with ++cmd on command line.
(thanks to Jim Meyering)
v176 4/2/91 Change | to not force current screen,
include marked line, start/end from
top of screen. Improve search speed.
(thanks to Don Mears)
v177 4/2/91 Add LESSHELP variable.
Fix bug with F command with -e.
Try /dev/tty for input before using fd 2.
Patches posted to USENET 4/2/91.
-----------------------------------------------------------------
v178 4/8/91 Fixed bug in globbing logfile name.
(thanks to Jim Meyering)
v179 4/9/91 Allow negative -z for screen-relative.
v180 4/9/91 Clear to eos rather than eol if "db";
don't use "sr" if "da".
(thanks to Tor Lillqvist)
v181 4/18/91 Fixed bug with "negative" chars 80 - FF.
(thanks to Benny Sander Hofmann)
v182 5/16/91 Fixed bug with attribute at EOL.
(thanks to Brian Matthews)
v183 6/1/91 Rewrite linstall to do smart config.
v184 7/11/91 Process \b in searches based on -u
rather than -i.
v185 7/11/91 -Pxxx sets short prompt; assume SIGWINCH
after a SIGSTOP. (thanks to Ken Laprade)
-----------------------------------------------------------------
v186 4/20/92 Port to MS-DOS (Microsoft C).
v187 4/23/92 Added -D option & TAB_COMPLETE_FILENAME.
v188 4/28/92 Added command line editing features.
v189 12/8/92 Fix mem overrun in anscreen.c:init;
fix edit_list to recover from bin file.
v190 2/13/93 Make TAB enter one filename at a time;
create ^L with old TAB functionality.
v191 3/10/93 Defer creating "flash" page for MS-DOS.
v192 9/6/93 Add BACK-TAB.
v193 9/17/93 Simplify binary_file handling.
v194 1/4/94 Add rudiments of alt_filename handling.
v195 1/11/94 Port back to Unix; support keypad.
-----------------------------------------------------------------
v196 6/7/94 Fix bug with bad filename; fix IFILE
type problem. (thanks to David MacKenzie)
v197 6/7/94 Fix bug with .less tables inserted wrong.
v198 6/23/94 Use autoconf installation technology.
(thanks to David MacKenzie)
v199 6/29/94 Fix MS-DOS build (thanks to Tim Wiegman).
v200 7/25/94 Clean up copyright, minor fixes.
Posted to prep.ai.mit.edu
-----------------------------------------------------------------
v201 7/27/94 Check for no memcpy; add casts to calloc;
look for regcmp in libgen.a.
(thanks to Kaveh Ghazi).
v202 7/28/94 Fix bug in edit_next/edit_prev with
non-existant files.
v203 8/2/94 Fix a variety of configuration bugs on
various systems. (thanks to Sakai
Kiyotaka, Harald Koenig, Bjorn Brox,
Teemu Rantanen, and Thorsten Lockert)
v204 8/3/94 Use strerror if available.
(thanks to J.T. Conklin)
v205 8/5/94 Fix bug in finding "me" termcap entry.
(thanks to Andreas Stolcke)
8/10/94 v205+: Change BUFSIZ to LBUFSIZE to avoid name
conflict with stdio.h.
Posted to prep.ai.mit.edu
-----------------------------------------------------------------
v206 8/10/94 Use initial_scrpos for -t to avoid
displaying first page before init().
(thanks to Dominique Petitpierre)
v207 8/12/94 Fix bug if stdout is not tty.
v208 8/16/94 Fix bug in close_altfile if goto err1
in edit_ifile. (Thanks to M.J. Hewitt)
v209 8/16/94 Change scroll to wscroll to avoid
conflict with library function.
v210 8/16/94 Fix bug with bold on 8 bit chars.
(thanks to Vitor Duarte)
v211 8/16/94 Don't quit on EOI in jump_loc / forw.
v212 8/18/94 Use time_t if available.
v213 8/20/94 Allow ospeed to be defined in termcap.h.
v214 8/20/94 Added HILITE_SEARCH, -F, ESC-u cmd.
(thanks to Paul Lew and Bob Byrnes)
v215 8/23/94 Fix -i toggle behavior.
v216 8/23/94 Process BS in all searches, not only -u.
v217 8/24/94 Added -X flag.
v218 8/24/94 Reimplement undo_search.
v219 8/24/94 Find tags marked with line number
instead of pattern.
v220 8/24/94 Stay at same position after SIG_WINCH.
v221 8/24/94 Fix bug in file percentage in big file.
v222 8/25/94 Do better if can't reopen current file.
v223 8/27/94 Support setlocale.
(thanks to Robert Joop)
v224 8/29/94 Revert v216: process BS in search
only if -u.
v225 9/6/94 Rewrite undo_search again: toggle.
v226 9/15/94 Configuration fixes.
(thanks to David MacKenzie)
v227 9/19/94 Fixed strerror config problem.
Posted to prep.ai.mit.edu
-----------------------------------------------------------------
v228 9/21/94 Fix bug in signals: repeated calls to
get_editkeys overflowed st_edittable.
v229 9/21/94 Fix "Nothing to search" error if -a
and SRCH_PAST_EOF.
v230 9/21/94 Don't print extra error msg in search
after regerror().
v231 9/22/94 Fix hilite bug if search matches 0 chars.
(thanks to John Polstra)
v232 9/23/94 Deal with weird systems that have
termios.h but not tcgetattr().
Posted to prep.ai.mit.edu
-----------------------------------------------------------------
v233 9/26/94 Use get_term() instead of pos_init() in
psignals to re-get lower_left termcap.
(Thanks to John Malecki)
v234 9/26/94 Make MIDDLE closer to middle of screen.
v235 9/27/94 Use local strchr if system doesn't have.
v236 9/28/94 Don't use libucb; use libterm if
libtermcap & libcurses doesn't work.
(Fix for Solaris; thanks to Frank Kaefer)
v237 9/30/94 Use system isupper() etc if provided.
Posted to prep.ai.mit.edu
-----------------------------------------------------------------
v238 10/6/94 Make binary non-blinking if LESSBINFMT
is set to a string without a *.
v239 10/7/94 Don't let delimit_word run back past
beginning of cmdbuf.
v240 10/10/94 Don't write into termcap buffer.
(Thanks to Benoit Speckel)
v241 10/13/94 New lesskey file format.
Don't expand filenames in search command.
v242 10/14/94 Allow lesskey specification of "literal".
v243 10/14/94 Add #stop command to lesskey.
v244 10/16/94 Add -f flag to lesskey.
v245 10/25/94 Allow TAB_COMPLETE_FILENAME to be undefd.
v246 10/27/94 Move help file to /usr/local/share.
v247 10/27/94 Add -V option.
v248 11/5/94 Add -V option to lesskey.
v249 11/5/94 Remove -f flag from lesskey; default
input file is ~/.lesskey.in, not stdin.
v250 11/7/94 Lesskey input file "-" means stdin.
v251 11/9/94 Convert cfgetospeed result to ospeed.
(Thanks to Andrew Chernov)
v252 11/16/94 Change default lesskey input file from
.lesskey.in to .lesskey.
Posted to prep.ai.mit.edu
-----------------------------------------------------------------
v253 11/21/94 Fix bug when tags file has a backslash.
v254 12/6/94 Fix -k option.
v255 12/8/94 Add #define EXAMINE to disable :e etc.
v256 12/10/94 Change highlighting: only highlite search
results (but now it is reliable).
v257 12/10/94 Add goto_line and repaint_highlight
to optimize highlight repaints.
v258 12/12/94 Fixup in hilite_line if BS_SPECIAL.
v259 12/12/94 Convert to autoconf 2.0.
v260 12/13/94 Add SECURE define.
v261 12/14/94 Use system WERASE char as EC_W_BACKSPACE.
v262 12/16/94 Add -g/-G flag and screen_hilite.
v263 12/20/94 Reimplement/optimize -G flag behavior.
v264 12/23/94 Allow EXTRA string after line-edit cmd
in lesskey file.
v265 12/24/94 Add LESSOPEN=|cmd syntax.
v266 12/26/94 Add -I flag.
v267 12/28/94 Formalize the four-byte header emitted
by a LESSOPEN pipe.
v268 12/28/94 Get rid of four-byte header.
v269 1/2/95 Close alt file before open new one.
Avoids multiple popen().
v270 1/3/95 Use VISUAL; use S_ISDIR/S_ISREG; fix
config problem with Solaris POSIX regcomp.
v271 1/4/95 Don't quit on read error.
v272 1/5/95 Get rid of -L.
v273 1/6/95 Fix ch_ungetchar bug; don't call
LESSOPEN on a pipe.
v274 1/6/95 Ported to OS/2 (thanks to Kai Uwe Rommel)
v275 1/18/95 Fix bug if toggle -G at EOF.
v276 1/30/95 Fix OS/2 version.
v277 1/31/95 Add "next" charset; don't display ^X
for X > 128.
v278 2/14/95 Change default for -G.
Posted to prep.ai.mit.edu
-----------------------------------------------------------------
v279 2/22/95 Add GNU options --help, --version.
Minor config fixes.
v280 2/24/95 Clean up calls to glob(); don't set #
if we can't open the new file.
v281 2/24/95 Repeat search should turn on hilites.
v282 3/2/95 Minor fixes.
v283 3/2/95 Fix homefile; make OS2 look in $HOME.
v284 3/2/95 Error if "v" on LESSOPENed file;
"%" figures out file size on pipe.
v285 3/7/95 Don't set # in lsystem;
lesskey try $HOME first.
v286 3/7/95 Reformat change history (too much free time?).
v287 3/8/95 Fix hilite bug if overstrike multiple chars.
v288 3/8/95 Allow lesskey to override get_editkey keys.
v289 3/9/95 Fix adj_hilite bug when line gets processed by
hilite_line more than once.
v290 3/9/95 Make configure automatically. Fix Sequent problem
with incompatible sigsetmask().
Posted to prep.ai.mit.edu
-----------------------------------------------------------------
v291 3/21/95 Add #env to lesskey. Fix MS-DOS build.
Posted to simtel.
-----------------------------------------------------------------
v292 4/24/95 Add MS-DOS support for Borland C.
Fix arrow keys in MS-DOS versions.
v293 4/28/95 Add auto-versioning stuff to make dist.
v294 5/12/95 Fix Borland build.
v295 1/20/96 Fix search on squished file; add /@@.
v296 1/23/96 Allow cmdbuf larger than screen width.
v297 1/24/96 Don't call termcap if tgetent fails;
add #defines for buffers.
v298 1/24/96 Change @@ to ^K.
Add alternate search modifiers ^N, ^F, ^E.
v299 1/25/96 Fix percent overflow in jump_percent (thanks to Brent Wiese);
don't send "ti" after shell command till RETURN pressed.
v300 1/25/96 Change -U to print tabs as ^I.
v301 1/30/96 Make hilites work in cmd F output.
v302 1/31/96 Fix cmd F to notice window-change signals.
v303 1/31/96 Add ESC-SPACE command.
v304 2/1/96 Add ^R search modifier; add LESSSECURE.
v305 2/2/96 Workaround Linux /proc kernel bug; add LESSKEY.
v306 3/16/96 Minor fixes.
v307 3/25/96 Allow cmd line arg "--"; fix DOS & OS/2 defines.h.
v308 4/4/96 Port to OS-9 (thanks to Boisy Pitre); fix -d.
v309 4/9/96 Fix OS-9 version; fix tags bug with "$".
v310 4/10/96 Get rid of HELPFILE.
v311 4/22/96 Add Windows32 support; merge doscreen.c into screen.c.
v312 4/24/96 Don't quit after "cannot reopen" error.
v313 4/25/96 Added horizontal scrolling.
v314 4/26/96 Modified -e to quit on reaching end of a squished file.
v315 4/26/96 Fix "!;TAB" bug.
v316 5/2/96 Make "|a" when (a < curr screen) go to end of curr screen.
v317 5/14/96 Various fixes for the MS-DOS and OS/2 builds.
Added ## and %% handling for filenames
v318 5/29/96 Port to OS-9 Microware compiler; minor fixes
(thanks to Martin Gregorie).
v319 7/8/96 Fix Windows port (thanks to Jeff Paquette).
v320 7/11/96 Final fixes for Windows port.
v321 7/18/96 Minor fixes.
Posted to Web page.
-----------------------------------------------------------------
v322 8/13/96 Fix bug in shell escape from help file; add support for
Microsoft Visual C under Windows; numerous small fixes.
v323 8/19/96 Fixes for Windows version (thanks to Simon Munton);
fix for Linux library weirdness (thanks to Jim Diamond);
port to DJGPP (thanks to Eli Zaretskii).
v324 8/21/96 Add support for spaces in filenames (thanks to Simon Munton).
v325 8/21/96 Add lessecho, for spaces in filenames under Unix.
v326 8/27/96 Fix DJGPP version.
v327 9/1/96 Reorganize lglob, make spaces in filenames work better in Unix.
v328 10/7/96 Append / to directory name in filename completion.
Fix MS-DOS and OS-9 versions.
v329 10/11/96 Fix more MS-DOS bugs; add LESSSEPARATOR; add -" option.
Add LESSMETACHARS, LESSMETAESCAPE.
v330 10/21/96 Minor fixes.
Posted to Web page.
-----------------------------------------------------------------
v331 4/22/97 Various Windows fixes (thanks to Gurusamy Sarathy).
v332 4/22/97 Enter filenames from cmd line into edit history.
*/
char version[] = "332";