-
Notifications
You must be signed in to change notification settings - Fork 89
/
NEWS
1472 lines (824 loc) · 44.9 KB
/
NEWS
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
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
NEWS about less
======================================================================
For the latest news about less, see https://greenwoodsoftware.com/less
You can also download the latest version of less from there.
Report bugs, suggestions or comments at
https://github.com/gwsw/less/issues.
======================================================================
Major changes between "less" versions 668 and 672
* Update the file size on an attempt to go past end of file.
* Add --no-paste option (github #523).
* Add --no-edit-warn option (github #513).
* Add --form-feed option (github #496).
* Add --no-poll option (github #557).
* Make TAB complete option name in -- command (github #531).
* Make -R able to pass through any OSC escape sequences,
not just OSC 8 (github #504).
* Setting LESS_IS_MORE=0 now disables "more" compatibility even
if invoked via a file link named "more" (github #500).
* Pass through escape sequences in prompts even if -R is not set.
* Add LESS_SHELL_LINES to support shell prompts which use more than
one line (github #514).
* Add LESSANSIOSCALLOW to define OSC types which may be passed through.
* Add LESSANSIOSCCHARS to define non-standard OSC intro chars.
* Add LESS_SIGUSR1 to define user signal handler (github #582).
* Add mouse and mouse6 commands to lesskey (github #569).
* Fix unexpected behavior when entering a partial command followed by
a valid command (github #543).
* Fix bug when coloring prompt string with SGR sequences (github #516).
* Fix bug when searching for text near an invalid UTF-8 sequence (github #542).
* Fix display bug when file contains ESC followed by NUL (github #550).
* Fix bug when using +:n +:p +:x or +:d on the command line (github #552).
* Fix bug with --no-number-headers when header is not at start of file
(github #566).
* Fix bug where lesstest fails if window is resized (github #570).
* Fix bug using "configure --with-secure=no" (github #584).
* Fix bug using multibyte command chars (github #595).
* Fix auto_wrap setting on Windows (github #497).
======================================================================
Major changes between "less" versions 661 and 668
* Make 256/true colors work better on Windows without -Da
(github #539, github #546, github #562).
* Fix build using --with-secure (github #544).
* Fix crash when using --header on command line (github #545).
* Fix possible crash when scrolling left/right or toggling -S (github #547).
* Fix bug when using #stop in a lesskey file (github #551).
* Fix bug when using --shift or --match-shift on command line with
a parameter starting with '.' (github #554).
* Fix bug in R command when file size changes (github #553).
* Fix bug using --header when file does not fill screen (github #556).
* Fix ^X bug when output is not a terminal (github #558).
* Fix bug where ^Z is not handled immediately (github #563).
* Fix bug where first byte from a LESSOPEN filter is deleted if it is
greater than 0x7F (github #568).
* Fix uninitialized variable in edit_ifile (github #573).
* Fix incorrect handling of UTF-8 chars in prompts (github #576).
======================================================================
Major changes between "less" versions 643 and 661
* Add ^O^N, ^O^P, ^O^L and ^O^O commands and mouse clicks (with --mouse)
to find and open OSC8 hyperlinks (github #251).
* Add --match-shift option.
* Add --lesskey-content option (github #447).
* Add LESSKEY_CONTENT environment variable (github #447).
* Add --no-search-header-lines and --no-search-header-columns options
(github #397).
* Add ctrl-L search modifier (github #367).
* A ctrl-P at the start of a shell command suppresses the "done"
message (github #462).
* Add attribute characters ('*', '~', '_', '&') to --color
parameter (github #471).
* Allow expansion of environment variables in lesskey files.
* Add LESSSECURE_ALLOW environment variable (github #449).
* Add LESS_UNSUPPORT environment variable.
* Add line number parameter to --header option (github #436).
* Mouse right-click jumps to position marked by left-click (github #390).
* Ensure that the target line is not obscured by a header line
set by --header (github #444).
* Change default character set to "utf-8", except remains "dos" on MS-DOS.
* Add message when search with ^W wraps (github #459).
* UCRT builds on Windows 10 and later now support Unicode file names
(github #438).
* Improve behavior of interrupt while reading non-terminated pipe
(github #414).
* Improve parsing of -j, -x and -# options (github #393).
* Support files larger than 4GB on Windows (github #417).
* Support entry of Unicode chars larger than U+FFFF on Windows (github #391).
* Improve colors of bold, underline and standout text on Windows.
* Allow --rscroll to accept non-ASCII characters (github #483).
* Allow the parameter to certain options to be terminated with a
space (--color, --quotes, --rscroll, --search-options
and --intr) (github #495).
* Fix bug where # substitution failed after viewing help (github #420).
* Fix crash if files are deleted while less is viewing them (github #404).
* Workaround unreliable ReadConsoleInputW behavior on Windows
with non-ASCII input.
* Fix -J display when searching for non-ASCII characters (github #422).
* Don't filter header lines via the & command (github #423).
* Fix bug when horizontally shifting long lines (github #425).
* Add -x and -D options to lesstest, to make it easier to diagnose
a failed lesstest run.
* Fix bug searching long lines with --incsearch and -S (github #428).
* Fix bug that made ESC-} fail if top line on screen was empty (github #429).
* Fix bug with --mouse on Windows when used with pipes (github #440).
* Fix bug in --+OPTION command line syntax.
* Fix display bug when using -w with an empty line with a CR/LF
line ending (github #474).
* When substituting '#' or '%' with a filename, quote the filename
if it contains a space (github #480).
* Fix wrong sleep time when system has usleep but not nanosleep (github #489).
* Fix bug when file name contains a newline.
* Fix bug when file name contains nonprintable characters (github #503).
* Fix DJGPP build (github #497).
* Update Unicode tables.
======================================================================
Major changes between "less" versions 633 and 643
* Fix problem when a program piping into less reads from the tty,
like sudo asking for password (github #368).
* Fix search modifier ^E after ^W.
* Fix bug using negated (^N) search (github #374).
* Fix bug setting colors with -D on Windows build (github #386).
* Fix reading special chars like PageDown on Windows (github #378).
* Fix mouse wheel scrolling on Windows (github #379).
* Fix erroneous EOF when terminal window size changes (github #372).
* Fix compile error with some definitions of ECHONL (github #395).
* Fix crash on Windows when writing logfile (github #405).
* Fix regression in exit code when stdin is /dev/null and
output is a file (github #373).
* Add lesstest test suite to production release (github #344).
* Change lesstest output to conform with
automake Simple Test Format (github #399).
======================================================================
Major changes between "less" versions 632 and 633
* Fix build on systems which have ncurses/termcap.h or
ncursesw/termcap.h but not termcap.h.
======================================================================
Major changes between "less" versions 608 and 632
* Add LESSUTFCHARDEF environment variable (github #275).
* Add # command (github #330).
* Add ^S search modifier (github #196).
* Add --wordwrap option (github #113).
* Add --no-vbell option (github #304).
* Add --no-search-headers option (github #44).
* Add --modelines option (github #89).
* Add --intr option (github #224).
* Add --proc-backspace, --proc-tab and --proc-return options (github #335).
* Add --show-preproc-errors option (github #258).
* Add LESS_LINES and LESS_COLUMNS environment variables (github #84).
* Add LESS_DATA_DELAY environment variable (github #337).
* Allow empty "lines" field in --header option.
* Update Unicode tables.
* Improve ability of ^X to interrupt F command (github #49).
* Status column (-J) shows off-screen matches.
* Parenthesized sub-patterns in searches are colored with unique colors,
if supported by the regular expression library (github #196).
* Don't allow opening a tty as file input unless -f is set (github #309).
* Don't require newline input after +&... option (github #339).
* Fix incorrect handling of some Private Use Unicode characters.
* Fix ANSI color bug when overstriking with colored chars (github #276).
* Fix compiler const warning (github #279).
* Fix signal race in iread (github #280).
* Fix reading procfs files on Linux (github #282).
* Fix --ignore-case with ctrl-R (no regex) search (github #300).
* Fix bug doing repeat search after setting & filter (github #299).
* Fix bug doing repeat search before non-repeat search.
* Fix crash with -R and certain line lengths (github #338).
* Fix input of Windows dead keys (github #352).
* Don't retain search options from a cancelled search (github #302).
* Don't call realpath on fake filenames like "-" (github #289).
* Implement lesstest test suite.
* Convert function parameter definitions from K&R to C89 (github #316).
======================================================================
Major changes between "less" versions 590 and 608
* Add the --header option (github #43).
* Add the --no-number-headers option (github #178).
* Add the --status-line option.
* Add the --redraw-on-quit option (github #36).
* Add the --search-options option (github #213).
* Add the --exit-follow-on-close option (github #244).
* Add 'H' color type to set color of header lines.
* Add #version conditional to lesskey.
* Add += syntax to variable section in lesskey files.
* Allow option name in -- command to end with '=' in addition to '\n'.
* Add $HOME/.config to possible locations of lesskey file (github #153).
* Add $XDG_STATE_HOME and $HOME/.local/state to possible locations
of history file (github #223).
* Don't read or write history file in secure mode (github #201).
* Fix display of multibyte and double-width chars in prompt.
* Fix ESC-BACKSPACE command when BACKSPACE key does not send 0x08
(github #188).
* Add more \k codes to lesskey format.
* Fix bug when empty file is modified while viewing it.
* Fix bug when parsing a malformed lesskey file (githb #234).
* Fix bug scrolling history when --incsearch is set (github #214).
* Fix buffer overflow when invoking lessecho with more than 63 -m/-n
options (github #198).
* Fix buffer overflow in bin_file (github #271).
* Fix bug restoring color at end of highlighted text.
* Fix bug in parsing lesskey file.
* Defer moving cursor to lower left in some more cases.
* Suppress TAB filename expansion in some cases where it doesn't make sense.
* Fix termlib detection when compiler doesn't accept
calls to undeclared functions.
* Fix bug in input of non-ASCII characters on Windows (github #247)
* Escape filenames when invoking LESSCLOSE.
* Fix bug using multibyte UTF-8 char in search string
with --incsearch (github #273).
======================================================================
Major changes between "less" versions 581 and 590
* Make less able to read lesskey source files (deprecating lesskey).
* If XDG_CONFIG_HOME is set, find lesskey source file
in $XDG_CONFIG_HOME/lesskey rather than $HOME/.lesskey.
* If XDG_DATA_HOME is set, find and store history file
in $XDG_DATA_HOME/lesshst rather than $HOME/.lesshst.
* Add the --lesskey-src option.
* Add the --file-size option.
* With -F, if screen is resized to make file fit on one screen, don't exit.
* Fix bug which could leave terminal in mouse-reporting mode
after exiting less.
* Fix bug which caused failure to respond to window resize.
* Fix backslash bug searching in tag file.
======================================================================
Major changes between "less" versions 563 and 581
* Change ESC-u command to toggle, not disable, highlighting per man page.
* Add ESC-U command.
* Add ctrl-W search modifier for wrapping search.
* F command can be interrupted by ^X.
* Support OSC 8 hyperlinks when -R is in effect.
* g command with no number will ignore -j and put first line at top of screen.
* Multiple + or -p command line options are handled better.
* Add the --incsearch option.
* Add the --line-num-width option.
* Add the --status-col-width option.
* Add the --use-color and --color options.
* Display -w highlight even if highlighted line is empty.
* If search result is in a long line, scroll to ensure it is visible.
* Editing the same file under different names now creates only
one entry in the file list.
* Make visual bell more visible on some terminals.
* Ring end-of-file bell no more than once per second.
* Build can use either Python or Perl for Makefile.aut operations.
* Fix crash when using the @ search modifier.
* Fix crash in the 's' command due to duplicate free.
* Fix realpath crash on Darwin.
======================================================================
Major changes between "less" versions 551 and 563
* Update Unicode tables.
* Treat Hangul Jamo medial vowels and final consonants as zero width.
* Display error message immediately when -o is toggled and
input is not a pipe.
* Fix regression: make screen repaint when "squished" and
a no-movement command is given.
* Fix erroneous EOF calculation when F command is interrupted.
* Make WIN32C version include this fix from 551:
Don't count lines in initial screen if using -X with -F.
* Fix display bug in WIN32C version.
* Fix memory corruption when built with libtermcap.
* Support libtinfow.
======================================================================
Major changes between "less" versions 530 and 551
* Add --mouse option.
* Add --wheel-lines option.
* Add --no-histdups option.
* Add --save-marks option.
* Support PCRE2 regular expression library.
* Redraw screen on SIGWINCH even if screen size doesn't change.
* Shell-escape filenames in history so they can be used again.
* Ring bell if user enters invalid long option name.
* Use PCRE_UTF8 flag for pcre regular expressions when in UTF-8 mode.
* Windows: use wide-char string to set console title.
* Don't count lines in initial screen if using -X with -F.
* Support mingw build system.
* Fix bug in v command on empty file.
* Fix bug in v command when filename contains shell metacharacters.
======================================================================
Major changes between "less" versions 487 and 530
* Don't output terminal init sequence if using -F and file fits on one screen.
* When using -S, mark truncated lines with a special character.
The character can be changed or disabled via the new --rscroll option.
* New command M marks the last line displayed on the screen.
* New command ESC-m removes a line mark.
* Status column (enabled via -J) now shows mark letters.
* Status column shows search matches even if highlighting is disabled via -G.
* A second ESC-u command will clear search match markers in the status column.
* Do same ANSI escape code filtering for tag matching that we do for
searching, to help when viewing syntax-highlighted code.
* Catch SIGTERM and clean up before exiting.
* Fix bug initializing default charset on Windows.
* Handle keypad ENTER key correctly if it sends something other than newline.
* Fix buffering bug when using stdin with a LESSOPEN pipe.
* On Windows, allow 'u' in -D option to enable underlining.
* On Windows, use underline in sgr mode.
* On Windows, convert UTF-8 to multibyte if console is not UTF-8.
* Update Unicode tables to 2017-03-08.
* Pass-thru Unicode formatting chars (Cf type) instead of treating them
as binary chars. But treat them as binary if -U is set.
* Fix erroneous binary file warning when UTF-8 file contains ANSI SGR sequences.
* Fix bugs when using LESSOPEN and switching between stdin and other files.
* Fix some bugs handling filenames containing shell metacharacters.
* Fix some memory leaks.
* Allow some debugging environment variables to be set in lesskey file.
* Code improvements:
. Use ANSI prototypes in funcs.h declarations.
. Fix some const mismatches.
. Remove archaic "register" in variable declarations.
======================================================================
Major changes between "less" versions 481 and 487
* New commands ESC-{ and ESC-} to shift to start/end of displayed lines.
* Make search highlights work correctly when changing caselessness with -i.
* New option -Da in Windows version to enable SGR mode.
* Fix "nothing to search" error when top or bottom line on screen is empty.
* Fix bug when terminal has no "cm" termcap entry.
* Fix incorrect display when entering double-width chars in search string.
* Fix bug in Unicode handling that missed some double width characters.
* Update Unicode database to 9.0.0.
======================================================================
Major changes between "less" versions 458 and 481
* Don't overwrite history file; just append to it.
* New command ESC-G goes to end of currently buffered data in a pipe.
* Disable history feature when compiled with LESSHISTFILE set to "-".
* In more-compatible mode, make the -p option apply to every file opened,
not just the first one.
* In more-compatible mode, change the -e option to work like -E, not -EF.
* Treat multiple CRs before LF are like one CR (all the CRs are hidden).
* Allow "extra" string in lesskey file to append to a multi-char command
(like a search pattern), without executing the command.
* Ignore -u/-U setting while viewing help file, so that
underline and bold chars are displayed correctly.
* Improve detection of "binary" files in UTF-8 mode.
* Fix bug with ++ commands.
* Fix bug where prompt was sometimes not displayed with +G.
* Fix possible memory corruption
* Fix bugs and improve performance in ampersand filtering.
* Automate construction of Unicode tables from Unicode database.
* Allow %% escape sequence in LESSOPEN variable.
======================================================================
Major changes between "less" versions 451 and 458
* Allow backslash escaping of metacharacters in LESS environment variable
after the --use-backslash option.
* Don't quit if syntax errors are found in command line options.
* Increase sizes of some internal buffers.
* Fix configure bug with --with-regex=none.
* Fix crash with "stty rows 0".
* Fix Win32 attribute display bug.
* Fix display bug when using up/down arrow on the command line.
======================================================================
Major changes between "less" versions 444 and 451
* Add ESC-F command to keep reading data until a pattern is found.
* Use exit code of LESSOPEN script if LESSOPEN starts with "||".
* When up/down arrow is used on the command line immediately after
typing text, the next command starting with that text is found.
* Add support for GNU regex.
* Add configure option --with-regex=none and fix compile errors
when compiling with no regex library.
* Fix bugs handling SGR sequences in Win32.
* Fix possible crashes caused by malformed LESSOPEN or
LESSCLOSE variables.
* Fix bug highlighting text which is discontiguous in the file
due to backspace processing.
* Fix bug in displaying status column when scrolling backwards
with -J and -S in effect.
======================================================================
Major changes between "less" versions 443 and 444
* Fix bug in unget handling that can cause strange effects on the
command line.
* Remove vestiges of obsolete -l option that can cause a crash.
======================================================================
Major changes between "less" versions 436 and 443
* Change search behavior such that when a search is given an explicit
pattern, the entire displayed screen is included in the search and
not just the portion after the target line.
* Add -A option to change search behavior to the old way: only
the portion of the screen after the target line is searched.
* Add %F formatting to prompt strings, replaced by the last component
of the input file.
* Control-G while editing a command exits the command.
* Less now exits with status 2 if control-C is pressed and -K is in effect.
* Fix "ungetc overflow" when passing long commands via the -p option.
* Fix bug in using line filtering via the & command
in combination with -i and -I.
* Fix bug in handling negative arguments to the -j option.
* Fix bug in handling %t in prompt strings.
* Improve handling of long option names.
* Improve percentage calculation for very large files.
======================================================================
Major changes between "less" versions 429 and 436
* Don't pass "-" to non-pipe LESSOPEN unless it starts with "-".
* Allow a fraction as the argument to the -# (--shift) option.
* Fix highlight bug when underlined/overstruck text matches at end of line.
* Fix non-regex searches with ctrl-R.
======================================================================
Major changes between "less" versions 424 and 429
* LESSOPEN pipe will now be used on standard input, if the LESSOPEN
environment variable begins with "|-".
* The -D option with one number now means use the normal background color.
* Don't change permissions on history file if it is not a regular file.
* Fix non-ANSI-compliant code that caused problems with some compilers.
* Fix binary file detection in UTF-8 mode.
* Fix display problems with long lines on "ignaw" terminals.
* Fix problem interrupting the line number calculation for initial prompt.
* Fix SGR emulation when dealing with multiple attributes (e.g. bold+underline).
* Fix highlight bug when searching for underlined/overstruck text.
======================================================================
Major changes between "less" versions 418 and 424
* New "&" command allows filtering of lines based on a pattern.
* Status column now displays a search match, even if the matched
string is scrolled off screen because -S is in effect.
* Improve behavior of -F option.
* Allow CSI character (0x9B) to work in UTF-8 mode.
* Output carriage return at startup in case terminal doesn't default
to column 1.
* Fix bug in '' (quote, quote) command after G command.
======================================================================
Major changes between "less" versions 416 and 418
* Color escape sequences are now supported in WIN32 build.
* Makefile now uses EXEEXT feature of autoconf.
* Fix search bug when using -R and text contains ANSI color escape sequences.
* Fix crash when using -r with UTF-8 text containing 0x9B bytes.
* Fix display bug when using ' command to move less than one page forward.
* Update GPL to version 3.
======================================================================
Major changes between "less" versions 409 and 416
* New --follow-name option makes F command follow the name of a file
rather than the file descriptor if an open file is renamed.
* Make searching with -i/-I work correctly with non-ASCII text.
* Fix DJGPP build.
======================================================================
Major changes between "less" versions 406 and 409
* Support CSI escape sequences, like SGR escape sequences.
* Fix bug which caused screen to fail to repaint when window is resized.
* Fix bug in using -i and -I flags with non-ASCII text.
* Fix configure bug on systems which don't support langinfo.h.
* Fix crash when searching text containing certain invalid UTF-8 sequences.
======================================================================
Major changes between "less" versions 394 and 406
* Allow decimal point in number for % (percent) command.
* Allow decimal point in number for -j option (fraction of screen height).
* Make n command fetch previous pattern from history file on first search.
* Don't rewrite history file if it has not changed.
* Don't move to bottom of screen on first page.
* Don't output extraneous newlines, so copy & pasting lines from the
output works better.
* The -c option has been made identical with the -C option.
* Allow "/dev/null" as synonym for "-" in LESSHISTFILE to indicate
that no history file should be used.
* Search can now find text which follows a null byte, if the PCRE
library is used, or if no-regex searching (ctrl-R) is used.
* Better compatibility with POSIX more specification.
* Make -f work for directories.
* Make "t" cmd traverse tags in the correct order.
* Allow a few binary characters in the input file before warning
that the file is binary.
* Don't warn that file is binary if it merely contains ANSI color sequences
and -R is in effect.
* Update Unicode character tables.
* Support DESTDIR in Makefile.
* Fix bug when filename contains certain shell metacharacters such as "$".
* Fix bug when resizing the window while waiting for input from a pipe.
* Fix configure bugs.
======================================================================
Major changes between "less" versions 382 and 394
* Add history file to save search and shell command history between
invocations of less.
* Improve behavior of history list for search and shell commands.
* Add -K (or --quit-on-intr) option to make less exit immediately on ctrl-C.
* Improve handling of UTF-8 files and commands, including better
line wrapping and handling double-width chars.
* Added LESSUTFBINFMT environment variable to control display of
non-printable characters in a UTF-8 file.
* Add --with-secure option to configure, to make it easier to
build a secure version of less.
* Show search matches in the status column even if search highlights
are disabled via the -G option or the ESC-u command.
* Improve performance when the file contains very long lines.
* Add "windows" charset.
* Add man page for lessecho.
* Add support for erase2 character, treated same as erase.
* Use ASCII lowercase/uppercase logic when operating on the command line.
* Update makefile for Borland C++ 5.5.1.
* Fix bug in calculating number of pages for %D prompt.
* Fix bug in handling tag file error.
* Fix obscure bug if input file is deleted while viewing help.
* Fix bug handling filenames which include square brackets.
* Fix possible buffer overflow in "global" tag search.
* Fix possible buffer overflow in usage of LESSOPEN and LESSCLOSE.
* Fix buffer overflow in reverse search.
======================================================================
Major changes between "less" versions 381 and 382
* Removed some old copyrighted code.
This probably breaks OS/9 support.
======================================================================
Major changes between "less" versions 378 and 381
* New -L option to disable LESSOPEN processing.
* Further support for large (64 bit) file addressing.
Large file support is now set up by the configure script.
* Use autoconf 2.54.
Replace configure.in, acconfig.h, defines.h.top with configure.ac.
* Overstriking underscore with underscore is now bold or underlined
depending on context.
* Use only 7 spaces for line numbers in -N mode, if possible.
* Fix some bugs in handling overstriking in UTF-8 files.
* Fix some nroff issues in the man page.
======================================================================
Major changes between "less" versions 376 and 378
* Bug fixes:
Default buffer space is now 64K as documented.
Search highlighting works properly when used with -R.
Windows version works properly when input file contains carriage returns.
Clean up some compiler warnings.
======================================================================
Major changes between "less" versions 358 and 376
* -x option can now specify multiple variable-width tab stops.
* -X option no longer disables keypad initialization.
New option --no-keypad disables keypad initialization.
* New commands t and T step through multiple tag matches.
Added support for "global(1)" tags
(see http://www.gnu.org/software/global/global.html).
* New prompt style set by option -Pw defines the message printed
while waiting for data in the F command.
* System-wide lesskey file now defaults to sysless in etc directory
instead of .sysless in bin directory.
Use "configure --sysconfdir=..." to change it.
(For backwards compatibility, .sysless in bin is still recognized.)
* Pressing RightArrow or LeftArrow while entering a number now shifts
the display N columns rather than editing the number itself.
* Status column (enabled with -J) now shows search results.
* Windows version sets window title.
* Default LESSCHARSET for MS-DOS versions is now "dos".
* Searching works better with ANSI (SGR) escape sequences.
ANSI color escape sequences are now supported in the MS-DOS (DJGPP) version.
* Improved performance in reading very large pipes.
* Eliminated some dependencies on file offsets being 32 bits.
* Fixed problems when viewing files with very long lines.
* Fixed overstriking in UTF-8 mode, and overstriking tabs.
* Improved horizontal shifting of text using -R option with ANSI color.
* Improved handling of filenames containing shell metacharacters.
* Some fixes for EBCDIC systems.
* Some fixes for OS/2 systems.
======================================================================
Major changes between "less" versions 354 and 358
* Add -J (--status-column) option to display a status column.
* Add -# (--shift) option to set default horizontal shift distance.
Default horizontal shift distance is now one-half screen width.
* Horizontal shifting does not shift line numbers if -N is in effect.
* Horizontal shifting acts as though -S were set, to avoid confusion.
======================================================================
Major changes between "less" versions 352 and 354
* Allow space after numeric-valued command line options.