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authorLorry Tar Creator <lorry-tar-importer@baserock.org>2012-07-21 20:40:00 +0000
committerLorry <lorry@roadtrain.codethink.co.uk>2012-09-24 16:52:48 +0000
commit09a405d8f652b56944c93ebf5c673cdfe5319b04 (patch)
tree9cc4518b0a21096735b20ac3204a6fa032f1c566 /NEWS
downloadless-master.tar.gz
Imported from /srv/lorry/lorry-area/less/less-451.tar.gz.HEADless-451masterbaserock/morph
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+
+ NEWS about less
+
+======================================================================
+
+ For the latest news about less, see the "less" Web page:
+ http://www.greenwoodsoftware.com/less
+ You can also download the latest version of less from there.
+
+ To report bugs, suggestions or comments, send email to bug-less@gnu.org.
+
+======================================================================
+
+ 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 (eg. 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 synomym 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 offets 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.
+
+* Fix problem with configuring terminal libraries on some systems.
+
+* Add support for PCRE regular expression library.
+
+* Add --with-regex option to configure to allow manually selecting
+ a regular expression library.
+
+* Fix bug compiling with SECURE = 1.
+
+======================================================================
+
+
+ Major changes between "less" versions 346 and 352
+
+* Enable UTF-8 if "UTF-8" appears in locale-related environment variables.
+
+* Add --with-editor option to configure script.
+
+* The -M prompt and = message now show the top and bottom line number.
+
+* Fix bug in running the editor on a file whose name contains quotes, etc.
+
+* Fix bug in horizontal scrolling of long lines.
+
+* Fix bug in doing :d on a file which contains marks.
+
+* Fix bug causing cleared lines to sometimes be filled with standout,
+ bold, underline, etc. on certain terminals.
+
+* Fixes for MS-DOS (DJGPP) version.
+
+======================================================================
+
+
+ Major changes between "less" versions 340 and 346
+
+* The UTF-8 character set is now supported.
+
+* The default character set is now latin1 rather than ascii.
+
+* New option -R (--RAW-CONTROL-CHARS) is like -r but handles
+ long (wrapped) lines correctly, as long as the input contains only
+ normal text and ANSI color escape sequences.
+
+* New option -F (--quit-if-one-screen) quits if the text fits on
+ the first screen.
+
+* The -w option now highlights the target line of a g or p command.
+
+* A system-wide lesskey file is supported (LESSKEY_SYSTEM).
+
+* New escape for prompt strings: %c is replaced by column number.
+
+* New escape for prompt strings: %P is replaced by percentage into
+ file, based on line number rather than byte offset.
+
+* HOME and END keys now jump to beginning of file or end of file.
+
+======================================================================
+
+
+ Major changes between "less" versions 337 and 340
+
+* Command line options for less may now be given in either the old
+ single-letter form, or a new long name form (--option-name).
+ See the less man page or "less --help" for the list of long option names.
+
+* Command line options for lesskey may now be given in a new long name
+ form. See the lesskey man page for the list of long option names.
+
+* New command -- toggles an option using the long option name.
+
+* New command __ queries an option using the long option name.
+
+* The old -- command is renamed as -!.
+
+* If a ^P is entered between the dash and the option letter of the -
+ command, the message describing the new setting is suppressed.
+
+* Lesskey files may now contain \k escape sequences to represent the
+ "special" keys (arrows, PAGE-UP/PAGE-DOWN, HOME, END, INSERT, DELETE).
+
+* New command :d removes the current file from the list of files.
+
+* New option -~ (like -w before version 335)
+ suppresses tildes after end-of-file.
+
+* Less is now released under the GNU General Public License.
+
+======================================================================
+
+
+ Major changes between "less" versions 335 and 337
+
+* Fixed bugs in "make install".
+
+======================================================================
+
+
+ Major changes between "less" versions 332 and 335
+
+* The old -w flag (suppress tildes after end-of-file) has been removed.
+
+* New -w flag highlights the first new line after a forward-screen.
+
+* New -W flag highlights the first new line after any forward movement.
+
+* Window resize works even if LINES and/or COLUMNS environment
+ variables are incorrect.
+
+* New percent escapes for prompt strings:
+ %d is replaced by the page number, and
+ %D is replaced by the number of pages in the file.
+
+* Added charsets "iso8859" and "ebcdic".
+
+* In Windows version, uses HOMEDRIVE and HOMEPATH if HOME is not defined.
+
+* Fixed some bugs causing incorrect display on DOS/Windows.
+
+======================================================================
+
+
+ Major changes between "less" versions 330 and 332
+
+* Filenames from the command line are entered into the command history,
+ so UPARROW/DOWNARROW can be used to retrieve them from the :e command.
+
+* Now works correctly on Windows when using a scrolling terminal
+ window (buffer larger than display window).
+
+* On Windows, now restores the console screen on exit.
+ Use -X to get the old behavior.
+
+* Fixed bug on Windows when CAPS-LOCK or NUM-LOCK is pressed.
+
+* Fixed bug on Windows when piping output of an interactive program.
+
+* Fixed bug in tags file processing when tags file has DOS-style
+ line terminators (CR/LF).
+
+* Fixed compilation problem on OS/2.
+
+======================================================================
+
+
+ Major changes between "less" versions 321 and 330
+
+* Now supports filenames containing spaces (in double quotes).
+ New option -" can be used to change the quoting characters.
+
+* In filename completion, a slash is appended to a directory name.
+ If the environment variable LESSSEPARATOR is set, the value of
+ that variable, rather than a slash, is appended.
+
+* LeftArrow and RightArrow are same as ESC-[ and ESC-].
+
+* Added commands ESC-( and ESC-), same as ESC-[ and ESC-].
+
+* A "quit" command defined in a lesskey file may now have an "extra"
+ string, which is used to return an exit code from less when it quits.
+
+* New environment variables LESSMETACHARS and LESSMETAESCAPE provide
+ more control over how less interfaces to the shell.
+
+* Ported to Microsoft Visual C compiler for Windows.
+
+* Ported to DJGPP compiler for MS-DOS.
+
+* Bug fixes.
+
+======================================================================
+
+
+ Major changes between "less" versions 291 and 321
+
+* Command line at bottom of screen now scrolls, so it can be longer
+ than the screen width.
+
+* New commands ESC-] and ESC-[ scroll the display horizontally.
+
+* New command ESC-SPACE scrolls forward a full screen, even if it
+ hits end-of-file.
+
+* Alternate modifiers for search commands: ^N is same as !,
+ ^F is same as @, and ^E is same as *.
+
+* New modifier for search commands: ^K means highlight the matches
+ currently on-screen, but don't move to the first match.
+
+* New modifier for search commands: ^R means don't use regular
+ expressions in the search.
+
+* Environment variable LESSKEY gives name of default lesskey file.
+
+* Environment variable LESSSECURE will force less to run in
+ "secure" mode.
+
+* Command line argument "--" signals that the rest of the arguments
+ are files (not option flags).
+
+* Help file (less.hlp) is no longer installed. Help text is now
+ embedded in the less executable itself.
+
+* Added -Ph to change the prompt for the help text.
+ Added -Ps to change the default short prompt (same as plain -P).
+
+* Ported to the Borland C compiler for MS-DOS.
+
+* Ported to Windows 95 & Windows NT.
+
+* Ported to OS-9.
+
+* Ported to GNU Hurd.
+
+======================================================================
+
+
+ Major changes between "less" versions 290 and 291
+
+* Less environment variables can be specified in lesskey files.
+
+* Fixed MS-DOS build.
+
+======================================================================
+
+
+ Major changes between "less" versions 278 and 290
+
+* Accepts GNU-style options "--help" and "--version".
+
+* OS/2 version looks for less.ini in $HOME before $INIT and $PATH.
+
+* Bug fixes
+
+======================================================================
+
+
+ Major changes between "less" versions 252 and 278
+
+* A LESSOPEN preprocessor may now pipe the converted file data to less,
+ rather than writing it to a temporary file.
+
+* Search pattern highlighting has been fixed. It now highlights
+ reliably, even if a string is split across two screen lines,
+ contains TABs, etc.
+
+* The -F flag (which suppress search highlighting) has been changed
+ to -G. A new flag, -g, changes search highlighting to highlight
+ only the string found by the last search command, instead of all
+ strings which match the last search command.
+
+* New flag -I acts like -i, but ignores case even if the search
+ pattern contains uppercase letters.
+
+* Less now checks for the environment variable VISUAL before EDITOR.
+
+* Ported to OS/2.
+
+======================================================================
+
+
+ Major changes between "less" versions 237 and 252
+
+* Changes in line-editing keys:
+ The literal key is now ^V or ^A rather than \ (backslash).
+ Filename completion commands (TAB and ^L) are disabled
+ when typing a search pattern.
+
+* Line-editing command keys can be redefined using lesskey.
+
+* Lesskey with no input file defaults to $HOME/.lesskey
+ rather than standard input.
+
+* New option -V displays version number of less.
+
+* New option -V displays version number of lesskey.
+
+* Help file less.hlp is now installed by default in /usr/local/share
+ rather than /usr/local/lib.
+
+
+======================================================================
+
+
+ Major changes between "less" versions 170 and 237
+
+* By popular demand, text which matches the current search pattern
+ is highlighted. New -F flag disables this feature.
+
+* Henry Spencer's regexp.c is now included, for systems which do not
+ have a regular expression library.
+ regexp.c is Copyright (c) 1986 by University of Toronto.
+
+* New line-editing keys, including command history (arrow keys) and
+ filename completion (TAB).
+
+* Input preprocessor allows modification of input files (e.g. uncompress)
+ via LESSOPEN/LESSCLOSE environment variables.
+
+* New -X flag disables sending termcap "ti" and "te" (initialize and
+ deinitialize) strings to the terminal.
+
+* Changing -i from within less now correctly affects a subsequent
+ repeated search.
+
+* Searching for underlined or overstruck text now works when the -u
+ flag is in effect, rather than the -i flag.
+
+* Use setlocale (LANG and LC_CTYPE environment variables) to determine
+ the character set if LESSCHARSET/LESSCHARDEF are not set.
+
+* The default format for displaying binary characters is now standout
+ (reverse video) rather than blinking. This can still be changed by
+ setting the LESSBINFMT environment variable.
+
+* Use autoconf installation technology.
+
+* Ported to MS-DOS.
+
+ ********************************
+ Things that may surprise you
+ ********************************
+
+* When you enter text at the bottom of the screen (search string,
+ filename, etc.), some keys act different than previously.
+ Specifically, \ (backslash), ESC, TAB, BACKTAB, and control-L
+ now have line editing functions.
+
+* Some previous unofficial versions of less were able to display
+ compressed files. The new LESSOPEN/LESSCLOSE feature now provides
+ this functionality in a different way.
+
+* Some previous unofficial versions of less provided a -Z flag to
+ set the number of lines of text to retain between full screen scrolls.
+ The -z-n flag (that is, -z with a negative number) provides this
+ functionality.
+
+
+======================================================================
+
+
+ Major changes between "less" versions 123 and 170
+
+* New option -j allows target lines to be positioned anywhere on screen.
+
+* New option -S truncates displayed line at the screen width,
+ rather than wrapping onto the next line.
+
+* New option -y limits amount of forward scroll.
+
+* New option -T specifies a "tags" file.
+
+* Non-printable, non-control characters are displayed in octal.
+ Such characters, as well as control characters, are displayed
+ in blinking mode.
+
+* New command -+ sets an option to its default.
+* New command -- sets an option to the opposite of its default.
+
+* Lesskey file may have a string appended to a key's action,
+ which acts as though typed in after the command.
+
+* New commands ESC-^F and ESC-^B match arbitrary types of brackets.
+
+* New command F monitors a growing file (like "tail -f").
+
+* New command | pipes a section of the input file into a shell command.
+
+* New command :x directly jumps to a file in the command line list.
+
+* Search commands have been enhanced and reorganized:
+ n Repeat search, same direction.
+ N Repeat search, opposite direction.
+ ESC-/ Search forward thru file boundaries
+ ESC-? Search backward thru file boundaries
+ ESC-n Repeat search thru file boundaries, same direction.
+ ESC-N Repeat search thru file boundaries, opposite direction.
+ Special character * causes search to search thru file boundaries.
+ Special character @ causes search to begin at start/end of file list.
+
+* Examining a new file adds it to the command line list.
+ A list of files, or an expression which matches more than one file,
+ may be examined; all of them are added to the command line list.
+
+* Environment variables LESSCHARSET and LESSCHARDEF can define
+ a non-ASCII character set.
+
+* Partial support for MSDOS, including options -R for repainting screen
+ on quit, -v/-V to select video mode, and -W to change window size.
+
+
+======================================================================
+
+
+ Major changes between "less" versions 97 and 123
+
+* New option (-N) causes line numbers to be displayed in the
+ text of the file (like vi "set nu").
+
+* New option (-?) prints help message immediately.
+
+* New option (-r) displays "raw" control characters, without
+ mapping them to ^X notation.
+
+* New option (-f) forces less to open non-regular files
+ (directories, etc).
+
+* New option (-k) can be used to specify lesskey files by name.
+
+* New option (-y) can be used to set a forward scroll limit
+ (like -h sets a backward scroll limit).
+
+* File marks (set by the m command) are now preserved when a new
+ file is edited. The ' command can thus be used to switch files.
+
+* New command ESC-/ searches all files (on the command line)
+ for a pattern.
+
+* New command ESC-n repeats previous search, spanning files.
+
+* The N command has been changed to repeat the previous search
+ in the reverse direction. The old N command is still available
+ via :n.
+
+* New command ESC-N repeats previous search in the reverse
+ direction and spanning files.
+
+* 8 bit characters are now supported. A new option (-g) can be
+ used to strip off the eighth bit (the previous behavior).
+
+* Options which take a following string (like -t) may now
+ optionally have a space between the option letter and the string.
+
+* Six new commands { } ( ) [ and ] can be used to match
+ brackets of specific types, similar to vi % command.
+
+* New commands z and w move forward/backward one window and
+ simultaneously set the window size.
+
+* Prompt string expansion now has %L for line number of the last
+ line in the file, and %E for the name of the editor.
+ Also, % escapes which refer to a line (b=bottom, t=top, etc.)
+ can use j for the jump target line.
+
+* New environment variable LESSEDIT can be used to tailor the
+ command string passed to the editor by the v command.
+
+* Examining a file which was previously examined will return
+ to the same position in the file.
+
+* A "%" is expanded to the current filename and a "#" to the
+ previous filename, in both shell commands and the E command.
+ (Previously % worked only in shell commands and # worked
+ only in the E command.)
+
+* New command ":ta" is equivalent to "-t".
+
+* New command "s" is equivalent to "-l".
+
+* The - command may be followed by "+X" to revert to the default
+ for option X, or "-X" to get the opposite of the default.
+
+* Lesskey files may now include characters after the action as
+ extra input to be parsed after the action; for example:
+ "toggle-option X" to toggle a specific option X.
+
+
+
+
+