/* * Copyright (C) 1984-2002 Mark Nudelman * * You may distribute under the terms of either the GNU General Public * License or the Less License, as specified in the README file. * * For more information about less, or for information on how to * contact the author, see the README file. */ /* ----------------------- 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. Posted to Web page. ----------------------------------------------------------------- v333 3/4/99 Changed -w to highlite new line after forward movement. v334 3/9/99 Avoid overflowing prompt buffer; add %d and %D. v335 3/20/99 Add EBCDIC support (thanks to Thomas Dorner). Use HOMEDRIVE/HOMEPATH on Windows (thanks to Preston Bannister). Posted to Web page. ----------------------------------------------------------------- v336 4/8/99 Fix installation bugs. v337 4/9/99 Fix another installation bug. Posted to Web page. ----------------------------------------------------------------- v338 4/13/99 Add support for long option names. v339 4/18/99 Add \k, long option names to lesskey. Add -^P. Add :d. v340 4/21/99 Add regexec2. Fix Windows build. Posted to Web page. ----------------------------------------------------------------- v341 5/6/99 Add -F option; %c & ?c prompt escapes. (Thanks to Michele Maltoni) v342 7/22/99 Add system-wide lesskey file; allow GPL or Less License. v343 9/23/99 Support UTF-8 (Thanks to Robert Brady). Add %P and ?P in prompts. v344 10/27/99 -w highlights target line of g and p commands. v345 10/29/99 Make -R pass thru ESC but not other control chars. Posted to Web page. ----------------------------------------------------------------- v346 11/4/99 Fix bugs in long option processing; R cmd should clear hilites. Posted to Web page. ----------------------------------------------------------------- v347 12/13/99 Fixes for DJGPP version (thanks to Eli Zaretskii). v348 12/28/99 Fix deleting file with marks (thanks to Dimitar Jekov). Fix color problem in DJGPP version (thanks to Eli Zaretskii). v349 1/24/00 Fix minor DJGPP bugs; check environment vars for UTF-8; add --with-editor (thanks to Eli, Markus Kuhn, Thomas Schoepf). v350 3/1/00 Fix clear-while-standout bug. v351 3/5/00 Change -M and = prompts to show top & bottom line number. Posted to Web page. ----------------------------------------------------------------- v352 3/8/00 Fix scan_option NULL dereference. ----------------------------------------------------------------- v353 3/20/00 Fix SECURE compile bug, allow space after numeric option. v354 3/23/00 Add support for PCRE; add --with-regex configure option. ----------------------------------------------------------------- v355 6/28/00 Add -# option (thanks to Andy Levinson). v356 7/5/00 Add -J option. v357 7/6/00 Support sigprocmask. ----------------------------------------------------------------- v358 7/8/00 Fix problems with #stop in lesskey file. Posted to Web page. ----------------------------------------------------------------- v359 9/10/00 Fixes for Win32 display problems (thanks to Maurizio Vairani). v360 1/17/01 Move sysless to etc. v361 12/4/01 Add IBM-1047 charset & EBCDIC fixes (thanks to Thomas Dorner). Fix 32 bit dependencies (thanks to Paul Eggert). Fix UTF-8 overstriking (thanks to Robert Brady). v362 12/4/01 Make status column show search targets. v363 12/6/01 Add --no-keypad option. Add variable width tabstops (thanks to Peter Samuelson). v364 12/10/01 Better handling of very long lines in input; Fix horizontal shifting of colored text. v365 12/11/01 Fix overstriking of tabs; Add support for global(1) and multiple tag matches (thanks to Shigio Yamaguchi and Tim Vanderhoek). v366 12/11/01 Fixes for OS/2 (thanks to Kyosuke Tokoro). v367 12/13/01 Allow -D and -x options to terminate without dollar sign; Right/left arrow when entering N are shift cmds, not line edit. v368 12/18/01 Update lesskey commands. v370 12/23/01 Fix tags error messages. Posted to Web page. ----------------------------------------------------------------- v371 12/26/01 Fix new_file bug; use popen in Windows version; fix some compiler warnings. v372 12/29/01 Make -b be in units of 1K. v373 1/14/02 Improve handling of filenames containing shell metachars. v374 2/7/02 Fix memory leak; fix bug in -x argument parsing. v375 4/7/02 Fix searching for SGR sequences; fix SECURE build; add SGR support to DJGPP version (thanks to Eli Zaretskii). v376 6/10/02 Fix bug in overstriking mulitbyte UTF-8 characters (thanks to Jungshik Shin). Posted to Web page. ----------------------------------------------------------------- v377 9/10/02 Fix bug in Windows version when file contains CR; fix bug in search highlights with -R; make initial buffer limit really be 64K not unlimited. v378 9/30/02 Misc bug fixes and compiler warning cleanup. Posted to Web page. ----------------------------------------------------------------- v379 11/23/02 Add -L option; fix bug with ctrl-K in lesskey files; improve UTF-8 overstriking and underscore overstriking; fix minor man page problems; change to autoconf 2.54. v380 11/24/02 Make LINENUM same as POSITION. v381 11/28/02 Make -N use 7 columns for line number if possible. ----------------------------------------------------------------- v382 2/3/04 Remove copyrighted code. */ char version[] = "382";