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Diffstat (limited to 'lesskey.nro')
| -rw-r--r-- | lesskey.nro | 389 |
1 files changed, 198 insertions, 191 deletions
diff --git a/lesskey.nro b/lesskey.nro index 48aec7f6982a..5b8cbe4a2d2a 100644 --- a/lesskey.nro +++ b/lesskey.nro @@ -1,29 +1,30 @@ -.TH LESSKEY 1 "Version 551: 11 Jun 2019" +'\" t +.TH LESSKEY 1 "Version 563: 13 Jun 2020" .SH NAME lesskey \- specify key bindings for less .SH SYNOPSIS -.B "lesskey [-o output] [--] [input]" +.B "lesskey [\-o output] [\-\-] [input]" .br -.B "lesskey [--output=output] [--] [input]" +.B "lesskey [\-\-output=output] [\-\-] [input]" .br -.B "lesskey -V" +.B "lesskey \-V" .br -.B "lesskey --version" +.B "lesskey \-\-version" .SH DESCRIPTION .I Lesskey -is used to specify a set of key bindings to be used by -.I less. +is used to specify a set of key bindings to be used by +.IR less . The input file is a text file which describes the key bindings. -If the input file is "-", standard input is read. +If the input file is "\-", standard input is read. If no input file is specified, a standard filename is used as the name of the input file, which depends on the system being used: On Unix systems, $HOME/.lesskey is used; on MS-DOS systems, $HOME/_lesskey is used; and on OS/2 systems $HOME/lesskey.ini is used, or $INIT/lesskey.ini if $HOME is undefined. -The output file is a binary file which is used by -.I less. -If no output file is specified, +The output file is a binary file which is used by +.IR less . +If no output file is specified, and the environment variable LESSKEY is set, the value of LESSKEY is used as the name of the output file. Otherwise, a standard filename is used as the name of the output file, @@ -36,10 +37,10 @@ If the output file already exists, .I lesskey will overwrite it. .PP -The -V or --version option causes +The \-V or \-\-version option causes .I lesskey -to print its version number and immediately exit. -If -V or --version is present, other options and arguments are ignored. +to print its version number and immediately exit. +If \-V or \-\-version is present, other options and arguments are ignored. .PP The input file consists of one or more .I sections. @@ -54,7 +55,7 @@ Defines environment variables. .PP Blank lines and lines which start with a pound sign (#) are ignored, except for the special section header lines. - +. .SH "COMMAND SECTION" The command section begins with the line .sp @@ -112,10 +113,10 @@ caret, space, tab and the backslash itself. .PP An action may be followed by an "extra" string. When such a command is entered while running -.I less, +.IR less , the action is performed, and then the extra string is parsed, just as if it were typed in to -.I less. +.IR less . This feature can be used in certain cases to extend the functionality of a command. For example, see the "{" and ":t" commands in the example below. @@ -123,131 +124,134 @@ The extra string has a special meaning for the "quit" action: when .I less quits, first character of the extra string is used as its exit status. - +. .SH EXAMPLE The following input file describes the set of default command keys used by less: .sp -.nf - #command - \er forw-line - \en forw-line - e forw-line - j forw-line - \ekd forw-line - ^E forw-line - ^N forw-line - k back-line - y back-line - ^Y back-line - ^K back-line - ^P back-line - J forw-line-force - K back-line-force - Y back-line-force - d forw-scroll - ^D forw-scroll - u back-scroll - ^U back-scroll - \e40 forw-screen - f forw-screen - ^F forw-screen - ^V forw-screen - \ekD forw-screen - b back-screen - ^B back-screen - \eev back-screen - \ekU back-screen - z forw-window - w back-window - \ee\e40 forw-screen-force - F forw-forever - \eeF forw-until-hilite - R repaint-flush - r repaint - ^R repaint - ^L repaint - \eeu undo-hilite - g goto-line - \ekh goto-line - < goto-line - \ee< goto-line - p percent - % percent - \ee[ left-scroll - \ee] right-scroll - \ee( left-scroll - \ee) right-scroll - \ekl left-scroll - \ekr right-scroll - \ee{ no-scroll - \ee} end-scroll - { forw-bracket {} - } back-bracket {} - ( forw-bracket () - ) back-bracket () - [ forw-bracket [] - ] back-bracket [] - \ee^F forw-bracket - \ee^B back-bracket - G goto-end - \ee> goto-end - > goto-end - \eke goto-end - \eeG goto-end-buffered - = status - ^G status - :f status - / forw-search - ? back-search - \ee/ forw-search * - \ee? back-search * - n repeat-search - \een repeat-search-all - N reverse-search - \eeN reverse-search-all - & filter - m set-mark - M set-mark-bottom - \eem clear-mark - ' goto-mark - ^X^X goto-mark - E examine - :e examine - ^X^V examine - :n next-file - :p prev-file - t next-tag - T prev-tag - :x index-file - :d remove-file - - toggle-option - :t toggle-option t - s toggle-option o - _ display-option - | pipe - v visual - ! shell - + firstcmd - H help - h help - V version - 0 digit - 1 digit - 2 digit - 3 digit - 4 digit - 5 digit - 6 digit - 7 digit - 8 digit - 9 digit - q quit - Q quit - :q quit - :Q quit - ZZ quit -.fi +.RS 5m +.TS +l l. +#command +\er forw-line +\en forw-line +e forw-line +j forw-line +\ekd forw-line +^E forw-line +^N forw-line +k back-line +y back-line +^Y back-line +^K back-line +^P back-line +J forw-line-force +K back-line-force +Y back-line-force +d forw-scroll +^D forw-scroll +u back-scroll +^U back-scroll +\e40 forw-screen +f forw-screen +^F forw-screen +^V forw-screen +\ekD forw-screen +b back-screen +^B back-screen +\eev back-screen +\ekU back-screen +z forw-window +w back-window +\ee\e40 forw-screen-force +F forw-forever +\eeF forw-until-hilite +R repaint-flush +r repaint +^R repaint +^L repaint +\eeu undo-hilite +g goto-line +\ekh goto-line +< goto-line +\ee< goto-line +p percent +% percent +\ee[ left-scroll +\ee] right-scroll +\ee( left-scroll +\ee) right-scroll +\ekl left-scroll +\ekr right-scroll +\ee{ no-scroll +\ee} end-scroll +{ forw-bracket {} +} back-bracket {} +( forw-bracket () +) back-bracket () +[ forw-bracket [] +] back-bracket [] +\ee^F forw-bracket +\ee^B back-bracket +G goto-end +\ee> goto-end +> goto-end +\eke goto-end +\eeG goto-end-buffered +\&= status +^G status +:f status +/ forw-search +? back-search +\ee/ forw-search * +\ee? back-search * +n repeat-search +\een repeat-search-all +N reverse-search +\eeN reverse-search-all +& filter +m set-mark +M set-mark-bottom +\eem clear-mark +' goto-mark +^X^X goto-mark +E examine +:e examine +^X^V examine +:n next-file +:p prev-file +t next-tag +T prev-tag +:x index-file +:d remove-file +- toggle-option +:t toggle-option t +s toggle-option o +\&_ display-option +| pipe +v visual +! shell ++ firstcmd +H help +h help +V version +0 digit +1 digit +2 digit +3 digit +4 digit +5 digit +6 digit +7 digit +8 digit +9 digit +q quit +Q quit +:q quit +:Q quit +ZZ quit +.TE +.RE .sp .SH PRECEDENCE Commands specified by @@ -255,13 +259,13 @@ Commands specified by take precedence over the default commands. A default command key may be disabled by including it in the input file with the action "invalid". -Alternatively, a key may be defined +Alternatively, a key may be defined to do nothing by using the action "noaction". -"noaction" is similar to "invalid", but +"noaction" is similar to "invalid", but .I less -will give an error beep for an "invalid" command, +will give an error beep for an "invalid" command, but not for a "noaction" command. -In addition, ALL default commands may be disabled by +In addition, ALL default commands may be disabled by adding this control line to the input file: .sp #stop @@ -269,60 +273,63 @@ adding this control line to the input file: This will cause all default commands to be ignored. The #stop line should be the last line in that section of the file. .PP -Be aware that #stop can be dangerous. -Since all default commands are disabled, +Be aware that #stop can be dangerous. +Since all default commands are disabled, you must provide sufficient commands before the #stop line to enable all necessary actions. For example, failure to provide a "quit" command can lead to frustration. - +. .SH "LINE EDITING SECTION" The line-editing section begins with the line: .sp #line-edit .sp This section specifies new key bindings for the line editing commands, -in a manner similar to the way key bindings for +in a manner similar to the way key bindings for ordinary commands are specified in the #command section. The line-editing section consists of a list of keys and actions, one per line as in the example below. - +. .SH EXAMPLE The following input file describes the set of default line-editing keys used by less: .sp -.nf - #line-edit - \et forw-complete - \e17 back-complete - \ee\et back-complete - ^L expand - ^V literal - ^A literal - \eel right - \ekr right - \eeh left - \ekl left - \eeb word-left - \ee\ekl word-left - \eew word-right - \ee\ekr word-right - \eei insert - \eex delete - \ekx delete - \eeX word-delete - \eekx word-delete - \ee\eb word-backspace - \ee0 home - \ekh home - \ee$ end - \eke end - \eek up - \eku up - \eej down - ^G abort -.fi +.RS 5m +.TS +l l. +#line-edit +\et forw-complete +\e17 back-complete +\ee\et back-complete +^L expand +^V literal +^A literal +\eel right +\ekr right +\eeh left +\ekl left +\eeb word-left +\ee\ekl word-left +\eew word-right +\ee\ekr word-right +\eei insert +\eex delete +\ekx delete +\eeX word-delete +\eekx word-delete +\ee\eb word-backspace +\ee0 home +\ekh home +\ee$ end +\eke end +\eek up +\eku up +\eej down +^G abort +.TE +.RE .sp - +. .SH "LESS ENVIRONMENT VARIABLES" The environment variable section begins with the line .sp @@ -333,37 +340,37 @@ Each line consists of an environment variable name, an equals sign (=) and the value to be assigned to the environment variable. White space before and after the equals sign is ignored. Variables assigned in this way are visible only to -.I less. +.IR less . If a variable is specified in the system environment and also in a lesskey file, the value in the lesskey file takes precedence. Although the lesskey file can be used to override variables set in the environment, the main purpose of assigning variables in the lesskey file -is simply to have all +is simply to have all .I less configuration information stored in one file. - +. .SH EXAMPLE -The following input file sets the -i option whenever +The following input file sets the \-i option whenever .I less is run, and specifies the character set to be "latin1": .sp .nf #env - LESS = -i + LESS = \-i LESSCHARSET = latin1 .fi .sp - +. .SH "SEE ALSO" -less(1) - +.BR less (1) +. .SH WARNINGS On MS-DOS and OS/2 systems, certain keys send a sequence of characters which start with a NUL character (0). This NUL character should be represented as \e340 in a lesskey file. - +. .SH COPYRIGHT -Copyright (C) 1984-2019 Mark Nudelman +Copyright (C) 1984-2020 Mark Nudelman .PP less is part of the GNU project and is free software. You can redistribute it and/or modify it @@ -383,9 +390,9 @@ less is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - +. .SH AUTHOR -.PP +. Mark Nudelman .br Send bug reports or comments to <bug-less@gnu.org>. |