Vendor import of less v692.

LICENSE

@@ -2,7 +2,7 @@
                           ------------
 
 Less
-Copyright (C) 1984-2025  Mark Nudelman
+Copyright (C) 1984-2026  Mark Nudelman
 
 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions

Makefile.aut

@@ -141,7 +141,7 @@ unicode/EastAsianWidth.txt:
 distfiles: ${DISTFILES}
 
 echo_distfiles: 
-	@echo $(subst .nro,.nro.VER,${DISTFILES})
+	@echo $(subst .nro,.nro.VER,${DISTFILES}) | sed -e 's/[^ ]*\.lt / /g' -e 's/[^ ]*\.man / /g'
 
 dist: ${DISTFILES}
 	if [ ! -d ${srcdir}/release ]; then mkdir ${srcdir}/release; fi

Makefile.in

@@ -108,7 +108,7 @@ dvi:
 installcheck:
 
 check:
-	if [ -x less$(EXEEXT) ] && ./less$(EXEEXT) -V | grep -q LESSTEST; then :; else ${MAKE} clean; ${MAKE} LESSTEST=1; fi
+	if [ -x less$(EXEEXT) ] && ./less$(EXEEXT) -V | grep -q LESSTEST; then :; else ${MAKE} clean; fi; ${MAKE} LESSTEST=1
 	objdir=$$(pwd); rflags=""; if [ -z "${VERBOSE}" ]; then rflags=-e; fi; cd $(srcdir)/lesstest && ${MAKE} && ./runtest $$rflags -l "$$objdir/less" lt
 
 TAGS:

NEWS

@@ -9,6 +9,27 @@
   Report bugs, suggestions or comments at 
   https://github.com/gwsw/less/issues.
 
+======================================================================
+
+	Major changes between "less" versions 691 and 692
+
+* Revert HOME key to scroll to beginning of file and END key
+  to scroll to end of file (github #658).
+
+* Configure tty to leave CR and NL unmodified (github #703).
+
+* Add commands to lesskey parser (forw-bell-hilite, goto-pos and osc8-jump).
+
+* Add key sequences to lesskey parser (\kE, \kF, \kH, \kI, \kM, and \kS).
+
+* Fix bug using negative value with -z option (github #709).
+
+* Fix bug handling empty terminfo capabilties (github #710).
+
+* Fix memory leak in setupterm (github #707).
+
+* Make lesstest ignore system locale (nl_langinfo) (github #708).
+
 ======================================================================
 
 	Major changes between "less" versions 685 and 691

brac.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1984-2025  Mark Nudelman
+ * Copyright (C) 1984-2026  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.

ch.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1984-2025  Mark Nudelman
+ * Copyright (C) 1984-2026  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.

charset.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1984-2025  Mark Nudelman
+ * Copyright (C) 1984-2026  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.
@@ -429,9 +429,18 @@ static void set_charset(void)
 	/*
 	 * Try using the codeset name as the charset name.
 	 */
-	s = nl_langinfo(CODESET);
-	if (icharset(s, 1))
-		return;
+#if LESSTEST
+	/*
+	 * Don't check nl_langinfo in lesstest mode; charset should come
+	 * only from environment variables, not from the system locale.
+	 */
+	if (0) /* {{ unfortunately it's too early to use is_lesstest }} */
+#endif
+	{
+		s = nl_langinfo(CODESET);
+		if (icharset(s, 1))
+			return;
+	}
 #endif
 #endif
 

charset.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1984-2025  Mark Nudelman
+ * Copyright (C) 1984-2026  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.

cmd.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1984-2025  Mark Nudelman
+ * Copyright (C) 1984-2026  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.
@@ -176,5 +176,7 @@
 #define SK_SHIFT_END           35
 #define SK_CTL_HOME            36
 #define SK_CTL_END             37
+#define SK_SHIFT_LEFT_ARROW    38
+#define SK_SHIFT_RIGHT_ARROW   39
 
 #define SK_CONTROL_K           40

cmdbuf.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1984-2025  Mark Nudelman
+ * Copyright (C) 1984-2026  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.

command.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1984-2025  Mark Nudelman
+ * Copyright (C) 1984-2026  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.

configure.ac

@@ -1,6 +1,6 @@
 # Process this file with autoconf to produce a configure script.
 
-# Copyright (C) 1984-2025  Mark Nudelman
+# Copyright (C) 1984-2026  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.

cvt.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1984-2025  Mark Nudelman
+ * Copyright (C) 1984-2026  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.

decode.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1984-2025  Mark Nudelman
+ * Copyright (C) 1984-2026  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.
@@ -102,10 +102,10 @@ static unsigned char cmdtable[] =
 	ESC,'u',0,                      A_UNDO_SEARCH,
 	ESC,'U',0,                      A_CLR_SEARCH,
 	'g',0,                          A_GOLINE,
-	SK(SK_HOME),0,                  A_LLSHIFT,
+	SK(SK_HOME),0,                  A_GOLINE,
 	SK(SK_SHIFT_HOME),0,            A_GOLINE|A_EXTRA,           ESC,'{',0,
 	SK(SK_CTL_HOME),0,              A_GOLINE|A_EXTRA,           ESC,'{',0,
-	SK(SK_END),0,                   A_RRSHIFT,
+	SK(SK_END),0,                   A_GOEND,
 	SK(SK_SHIFT_END),0,             A_GOEND|A_EXTRA,            ESC,'}',0,
 	SK(SK_CTL_END),0,               A_GOEND|A_EXTRA,            ESC,'}',0,
 	'<',0,                          A_GOLINE,
@@ -120,6 +120,8 @@ static unsigned char cmdtable[] =
 	SK(SK_LEFT_ARROW),0,            A_LSHIFT,
 	SK(SK_CTL_RIGHT_ARROW),0,       A_RRSHIFT,
 	SK(SK_CTL_LEFT_ARROW),0,        A_LLSHIFT,
+	SK(SK_SHIFT_RIGHT_ARROW),0,     A_RRSHIFT,
+	SK(SK_SHIFT_LEFT_ARROW),0,      A_LLSHIFT,
 	'{',0,                          A_F_BRACKET|A_EXTRA,        '{','}',0,
 	'}',0,                          A_B_BRACKET|A_EXTRA,        '{','}',0,
 	'(',0,                          A_F_BRACKET|A_EXTRA,        '(',')',0,
@@ -195,8 +197,8 @@ static unsigned char cmdtable[] =
 	SK(SK_PAD_R),0,                 A_RSHIFT,
 	SK(SK_PAD_L),0,                 A_LSHIFT,
 	SK(SK_PAD_UR),0,                A_B_SCREEN,
-	SK(SK_PAD_UL),0,                A_LLSHIFT,
-	SK(SK_PAD_DR),0,                A_RRSHIFT,
+	SK(SK_PAD_UL),0,                A_GOLINE,
+	SK(SK_PAD_DR),0,                A_F_SCREEN,
 	SK(SK_PAD_DL),0,                A_GOEND,
 	SK(SK_PAD_STAR),0,              A_NOACTION|A_EXTRA,   '*',0,
 	SK(SK_PAD_SLASH),0,             A_NOACTION|A_EXTRA,   '/',0,
@@ -1176,6 +1178,10 @@ static int add_hometable(int (*call_lesskey)(constant char *, lbool), constant c
 	constant char *efilename;
 	int r;
 
+#if LESSTEST
+	if (is_lesstest()) /* Don't use lesskey files in lesstest */
+		return -1;
+#endif
 	if (envname != NULL && (efilename = lgetenv(envname)) != NULL)
 		filename = save(efilename);
 	else if (sysvar) /* def_filename is full path */

defines.ds

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1984-2025  Mark Nudelman
+ * Copyright (C) 1984-2026  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.

defines.o2

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1984-2025  Mark Nudelman
+ * Copyright (C) 1984-2026  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.

defines.o9

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1984-2025  Mark Nudelman
+ * Copyright (C) 1984-2026  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.

defines.wn

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1984-2025  Mark Nudelman
+ * Copyright (C) 1984-2026  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.

edit.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1984-2025  Mark Nudelman
+ * Copyright (C) 1984-2026  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.

evar.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1984-2025  Mark Nudelman
+ * Copyright (C) 1984-2026  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.

filename.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1984-2025  Mark Nudelman
+ * Copyright (C) 1984-2026  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.
@@ -475,16 +475,17 @@ public lbool bin_file(int f, ssize_t *n)
 	char data[256];
 	constant char* p;
 	constant char* edata;
+	constant int umax = 4;
 
 	if (!seekable(f))
 		return FALSE;
 	if (less_lseek(f, (less_off_t)0, SEEK_SET) == BAD_LSEEK)
 		return FALSE;
 	*n = read(f, data, sizeof(data));
-	if (*n <= 0)
+	if (*n <= umax)
 		return FALSE;
 	edata = &data[*n];
-	for (p = data;  p < edata;  )
+	for (p = data;  p+umax < edata;  )
 	{
 		if (utf_mode && !is_utf8_well_formed(p, (int) ptr_diff(edata,p)))
 		{

forwback.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1984-2025  Mark Nudelman
+ * Copyright (C) 1984-2026  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.

help.c

@@ -1,4 +1,4 @@
-/* This file was generated by mkhelp.pl from less.hlp at 16:50 on 2026/1/10 */
+/* This file was generated by mkhelp.pl from less.hlp at 17:46 on 2026/1/29 */
 #include "less.h"
 constant char helpdata[] = {
 '\n',
@@ -69,8 +69,8 @@ constant char helpdata[] = {
 '\n',
 ' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ','J','\b','J','U','\b','U','M','\b','M','P','\b','P','I','\b','I','N','\b','N','G','\b','G','\n',
 '\n',
-' ',' ','g',' ',' ','<',' ',' ','E','S','C','-','<',' ',' ',' ',' ',' ',' ',' ','*',' ',' ','G','o',' ','t','o',' ','f','i','r','s','t',' ','l','i','n','e',' ','i','n',' ','f','i','l','e',' ','(','o','r',' ','l','i','n','e',' ','_','\b','N',')','.','\n',
-' ',' ','G',' ',' ','>',' ',' ','E','S','C','-','>',' ',' ',' ',' ',' ',' ',' ','*',' ',' ','G','o',' ','t','o',' ','l','a','s','t',' ','l','i','n','e',' ','i','n',' ','f','i','l','e',' ','(','o','r',' ','l','i','n','e',' ','_','\b','N',')','.','\n',
+' ',' ','g',' ',' ','<',' ',' ','E','S','C','-','<',' ',' ','H','O','M','E',' ','*',' ',' ','G','o',' ','t','o',' ','f','i','r','s','t',' ','l','i','n','e',' ','i','n',' ','f','i','l','e',' ','(','o','r',' ','l','i','n','e',' ','_','\b','N',')','.','\n',
+' ',' ','G',' ',' ','>',' ',' ','E','S','C','-','>',' ',' ','E','N','D',' ',' ','*',' ',' ','G','o',' ','t','o',' ','l','a','s','t',' ','l','i','n','e',' ','i','n',' ','f','i','l','e',' ','(','o','r',' ','l','i','n','e',' ','_','\b','N',')','.','\n',
 ' ',' ','p',' ',' ','%',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ','*',' ',' ','G','o',' ','t','o',' ','b','e','g','i','n','n','i','n','g',' ','o','f',' ','f','i','l','e',' ','(','o','r',' ','_','\b','N',' ','p','e','r','c','e','n','t',' ','i','n','t','o',' ','f','i','l','e',')','.','\n',
 ' ',' ','t',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ','*',' ',' ','G','o',' ','t','o',' ','t','h','e',' ','(','_','\b','N','-','t','h',')',' ','n','e','x','t',' ','t','a','g','.','\n',
 ' ',' ','T',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ','*',' ',' ','G','o',' ','t','o',' ','t','h','e',' ','(','_','\b','N','-','t','h',')',' ','p','r','e','v','i','o','u','s',' ','t','a','g','.','\n',

ifile.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1984-2025  Mark Nudelman
+ * Copyright (C) 1984-2026  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.

input.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1984-2025  Mark Nudelman
+ * Copyright (C) 1984-2026  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.

jump.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1984-2025  Mark Nudelman
+ * Copyright (C) 1984-2026  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.

lang.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1984-2025  Mark Nudelman
+ * Copyright (C) 1984-2026  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.

less.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1984-2025  Mark Nudelman
+ * Copyright (C) 1984-2026  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.

less.hlp

@@ -66,8 +66,8 @@
 
                            JJUUMMPPIINNGG
 
-  g  <  ESC-<       *  Go to first line in file (or line _N).
-  G  >  ESC->       *  Go to last line in file (or line _N).
+  g  <  ESC-<  HOME *  Go to first line in file (or line _N).
+  G  >  ESC->  END  *  Go to last line in file (or line _N).
   p  %              *  Go to beginning of file (or _N percent into file).
   t                 *  Go to the (_N-th) next tag.
   T                 *  Go to the (_N-th) previous tag.

less.nro

@@ -1,5 +1,5 @@
 '\" t
-.TH LESS 1 "10 Jan 2026" "less 691"
+.TH LESS 1 "29 Jan 2026" "less 692"
 .\" Define a string for the caret ("hat") as portably as possible.
 .ie \n(.g .ds ^ \(ha
 .el       .ds ^ ^
@@ -171,9 +171,9 @@ Scroll horizontally left N characters, default half the screen width
 option).
 If a number N is specified, it becomes the default for future RIGHTARROW
 and LEFTARROW commands.
-.IP "ESC-} or \*^RIGHTARROW or END"
+.IP "ESC-} or \*^RIGHTARROW or SHIFT-RIGHTARROW"
 Scroll horizontally right to show the end of the longest displayed line.
-.IP "ESC-{ or \*^LEFTARROW or HOME"
+.IP "ESC-{ or \*^LEFTARROW or SHIFT-LEFTARROW"
 Scroll horizontally left back to the first column.
 .IP "\*^END or SHIFT-END"
 Go to line N in the file, default the end of the file, and
@@ -213,10 +213,10 @@ the last search pattern, the terminal bell is rung.
 Like F, but as soon as a line is found which matches
 the last search pattern, the terminal bell is rung
 and forward scrolling stops.
-.IP "g or < or ESC-<"
+.IP "g or < or ESC-< or HOME"
 Go to line N in the file, default 1 (beginning of file).
 (Warning: this may be slow if N is large.)
-.IP "G or > or ESC->"
+.IP "G or > or ESC-> or END"
 Go to line N in the file, default the end of the file.
 (Warning: this may be slow if N is large,
 or if N is not specified and
@@ -1624,7 +1624,7 @@ lines less than the current screen size.
 For example, if the screen is 24 lines,
 .B "\-z\-4"
 sets the
-scrolling window to 20 lines.  If the screen is resized to 40 lines,
+scrolling window to 20 lines.  If the screen is later resized to 40 lines,
 the scrolling window automatically changes to 36 lines.
 .IP "\fB\-""\fP\fIcc\fP\ or\ \fB\-\-quotes=\fP\fIcc\fP"
 Changes the filename quoting character.
@@ -3198,7 +3198,7 @@ Possible location of the history file; see the description of the LESSHISTFILE e
 .BR lessecho (1)
 .
 .SH COPYRIGHT
-Copyright (C) 1984-2025  Mark Nudelman
+Copyright (C) 1984-2026  Mark Nudelman
 .PP
 less is part of the GNU project and is free software.
 You can redistribute it and/or modify it

lessecho.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1984-2025  Mark Nudelman
+ * Copyright (C) 1984-2026  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.

lessecho.man

@@ -52,4 +52,4 @@
 
        Report bugs at https://github.com/gwsw/less/issues.
 
-less 691                          10 Jan 2026                      LESSECHO(1)
+less 692                          29 Jan 2026                      LESSECHO(1)

lessecho.nro

@@ -1,4 +1,4 @@
-.TH LESSECHO 1 "10 Jan 2026" "less 691"
+.TH LESSECHO 1 "29 Jan 2026" "less 692"
 .\" Define a string to interpolate the hyphenless break point escape
 .\" sequence (for URLs and similar) if the formatter claims groff
 .\" compatibility, else interpolate nothing.

lesskey.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1984-2025  Mark Nudelman
+ * Copyright (C) 1984-2026  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.

lesskey.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1984-2025  Mark Nudelman
+ * Copyright (C) 1984-2026  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.

lesskey.man

@@ -65,17 +65,23 @@
 
        \k  followed  by  one or two characters represents the char(s) produced
        when one of these keys is pressed:
-            \kb    BACKSPACE (the BACKSPACE key)
+            \kb    BACKSPACE (the BACKSPACE key; may be different than \b)
             \kB    ctrl‐BACKSPACE
             \kd    DOWN ARROW
             \kD    PAGE DOWN
             \ke    END
+            \kE    ctrl‐END
+            \kF    shift‐END
             \kh    HOME
+            \kH    ctrl‐HOME
+            \kI    shift‐HOME
             \ki    INSERT
             \kl    LEFT ARROW
             \kL    ctrl‐LEFT ARROW
+            \kM    shift‐LEFT ARROW
             \kr    RIGHT ARROW
             \kR    ctrl‐RIGHT ARROW
+            \kS    shift‐RIGHT ARROW
             \kt    BACKTAB
             \ku    UP ARROW
             \kU    PAGE UP
@@ -137,11 +143,10 @@
             ^Y         back-line
             ^K         back-line
             ^P         back-line
+            \ku        back-line
             J          forw-line-force
             K          back-line-force
             Y          back-line-force
-            \ej        forw-newline
-            \ek        back-newline
             d          forw-scroll
             ^D         forw-scroll
             u          back-scroll
@@ -159,8 +164,11 @@
             w          back-window
             \e\40      forw-screen-force
             \eb        back-screen-force
+            \ej        forw-newline
+            \ek        back-newline
             F          forw-forever
             \eF        forw-until-hilite
+            \ef        forw-bell-hilite
             R          repaint-flush
             r          repaint
             ^R         repaint
@@ -169,16 +177,25 @@
             \eU        clear-search
             g          goto-line
             \kh        goto-line
+            \kH        goto-line \e{
+            \kI        goto-line \e{
+            \ke        goto-end
+            \kE        goto-end \e}
+            \kF        goto-end \e}
             <          goto-line
             \e<        goto-line
             p          percent
             %          percent
             \e(        left-scroll
             \e)        right-scroll
-            \kl        left-scroll
-            \kr        right-scroll
             \e{        no-scroll
             \e}        end-scroll
+            \kl        left-scroll
+            \kr        right-scroll
+            \kL        no-scroll
+            \kM        no-scroll
+            \kR        end-scroll
+            \kS        end-scroll
             {          forw-bracket {}
             }          back-bracket {}
             (          forw-bracket ()
@@ -190,7 +207,7 @@
             G          goto-end
             \e>        goto-end
             >          goto-end
-            \ke        goto-end
+            P          goto-pos
             \eG        goto-end-buffered
             =          status
             ^G         status
@@ -203,11 +220,6 @@
             \en        repeat-search-all
             N          reverse-search
             \eN        reverse-search-all
-            ^O^N       osc8-forw-search
-            ^On        osc8-forw-search
-            ^O^P       osc8-back-search
-            ^Op        osc8-back-search
-            ^O^O       osc8-open
             &          filter
             m          set-mark
             M          set-mark-bottom
@@ -219,6 +231,14 @@
             ^X^V       examine
             :n         next-file
             :p         prev-file
+            ^O^N       osc8-forw-search
+            ^On        osc8-forw-search
+            ^O^P       osc8-back-search
+            ^Op        osc8-back-search
+            ^O^O       osc8-open
+            ^Oo        osc8-open
+            ^O^L       osc8-jump
+            ^Ol        osc8-jump
             t          next-tag
             T          prev-tag
             :x         index-file
@@ -230,6 +250,13 @@
                        ## extra string with ONE dash; eg:
                        ##   s toggle-option -log-file\n
             _          display-option
+            |          pipe
+            v          visual
+            !          shell
+            #          pshell
+            +          firstcmd
+            \e[M       mouse
+            \e[<       mouse6
             \kp1       goto-end
             \kp2       forw-line
             \kp3       forw-screen
@@ -245,15 +272,9 @@
             \kp+       noaction +
             \kp.       noaction .
             \kp,       noaction ,
-            |          pipe
-            v          visual
-            !          shell
-            #          pshell
-            +          firstcmd
-            \e[M       mouse
-            \e[<       mouse6
             H          help
             h          help
+            \k1        help
             V          version
             0          digit
             1          digit
@@ -307,6 +328,7 @@
             #line-edit
             \t           forw-complete
             \17          back-complete
+            \ekt         back-complete
             \e\t         back-complete
             ˆL           expand
             ˆV           literal
@@ -317,14 +339,19 @@
             \kl          left
             \eb          word-left
             \e\kl        word-left
+            \e\kL        word-left
             \ew          word-right
             \e\kr        word-right
+            \e\kR        word-right
             \ei          insert
+            \ki          insert
             \ex          delete
             \kx          delete
             \eX          word-delete
             \ekx         word-delete
+            \kX          word-delete
             \e\b         word-backspace
+            \kB          word-backspace
             \e0          home
             \kh          home
             \e$          end
@@ -332,6 +359,7 @@
             \ek          up
             \ku          up
             \ej          down
+            \kd          down
             ˆG           abort
             \kp1         end
             \kp2         down
@@ -431,7 +459,7 @@
        represented as \340 in a lesskey file.
 
 COPYRIGHT
-       Copyright (C) 1984‐2025  Mark Nudelman
+       Copyright (C) 1984‐2026  Mark Nudelman
 
        less is part of the GNU project and is free software.  You  can  redis‐
        tribute  it and/or modify it under the terms of either (1) the GNU Gen‐
@@ -452,4 +480,4 @@
        Mark Nudelman
        Report bugs at https://github.com/gwsw/less/issues.
 
-less 691                          10 Jan 2026                       LESSKEY(1)
+less 692                          29 Jan 2026                       LESSKEY(1)

lesskey.nro

@@ -1,5 +1,5 @@
 '\" t
-.TH LESSKEY 1 "10 Jan 2026" "less 691"
+.TH LESSKEY 1 "29 Jan 2026" "less 692"
 .\" Define a string for the caret ("hat") as portably as possible.
 .ie \n(.g .ds ^ \(ha
 .el       .ds ^ ^
@@ -109,17 +109,23 @@ when one of these keys is pressed:
 .RS 5m
 .TS
 l l.
-\ekb	BACKSPACE (the BACKSPACE key)
+\ekb	BACKSPACE (the BACKSPACE key; may be different than \eb)
 \ekB	ctrl-BACKSPACE
 \ekd	DOWN ARROW
 \ekD	PAGE DOWN
 \eke	END
+\ekE	ctrl-END
+\ekF	shift-END
 \ekh	HOME
+\ekH	ctrl-HOME
+\ekI	shift-HOME
 \eki	INSERT
 \ekl	LEFT ARROW
 \ekL	ctrl-LEFT ARROW
+\ekM	shift-LEFT ARROW
 \ekr	RIGHT ARROW
 \ekR	ctrl-RIGHT ARROW
+\ekS	shift-RIGHT ARROW
 \ekt	BACKTAB
 \eku	UP ARROW
 \ekU	PAGE UP
@@ -199,11 +205,10 @@ y	back\-line
 \*^Y	back\-line
 \*^K	back\-line
 \*^P	back\-line
+\eku	back\-line
 J	forw\-line\-force
 K	back\-line\-force
 Y	back\-line\-force
-\eej	forw\-newline
-\eek	back\-newline
 d	forw\-scroll
 \*^D	forw\-scroll
 u	back\-scroll
@@ -221,8 +226,11 @@ z	forw\-window
 w	back\-window
 \ee\e40	forw\-screen\-force
 \eeb	back\-screen\-force
+\eej	forw\-newline
+\eek	back\-newline
 F	forw\-forever
 \eeF	forw\-until\-hilite
+\eef	forw\-bell\-hilite
 R	repaint\-flush
 r	repaint
 \*^R	repaint
@@ -231,16 +239,25 @@ r	repaint
 \eeU	clear\-search
 g	goto\-line
 \ekh	goto\-line
+\ekH	goto\-line \ee{
+\ekI	goto\-line \ee{
+\eke	goto\-end
+\ekE	goto\-end \ee}
+\ekF	goto\-end \ee}
 <	goto\-line
 \ee<	goto\-line
 p	percent
 %	percent
 \ee(	left\-scroll
 \ee)	right\-scroll
-\ekl	left\-scroll
-\ekr	right\-scroll
 \ee{	no\-scroll
 \ee}	end\-scroll
+\ekl	left\-scroll
+\ekr	right\-scroll
+\ekL	no\-scroll
+\ekM	no\-scroll
+\ekR	end\-scroll
+\ekS	end\-scroll
 {	forw\-bracket {}
 }	back\-bracket {}
 (	forw\-bracket ()
@@ -252,7 +269,7 @@ p	percent
 G	goto\-end
 \ee>	goto\-end
 >	goto\-end
-\eke	goto\-end
+P	goto\-pos
 \eeG	goto\-end\-buffered
 \&=	status
 \*^G	status
@@ -265,11 +282,6 @@ n	repeat\-search
 \een	repeat\-search\-all
 N	reverse\-search
 \eeN	reverse\-search\-all
-\*^O\*^N	osc8\-forw\-search
-\*^On	osc8\-forw\-search
-\*^O\*^P	osc8\-back\-search
-\*^Op	osc8\-back\-search
-\*^O\*^O	osc8\-open
 &	filter
 m	set\-mark
 M	set\-mark\-bottom
@@ -281,6 +293,14 @@ E	examine
 \*^X\*^V	examine
 :n	next\-file
 :p	prev\-file
+\*^O\*^N	osc8\-forw\-search
+\*^On	osc8\-forw\-search
+\*^O\*^P	osc8\-back\-search
+\*^Op	osc8\-back\-search
+\*^O\*^O	osc8\-open
+\*^Oo	osc8\-open
+\*^O\*^L	osc8\-jump
+\*^Ol	osc8\-jump
 t	next\-tag
 T	prev\-tag
 :x	index\-file
@@ -292,6 +312,13 @@ s	toggle\-option o
 	## extra string with ONE dash; eg:
 	##   s toggle\-option \-log\-file\en
 \&_	display\-option
+|	pipe
+v	visual
+!	shell
+#	pshell
++	firstcmd
+\ee[M	mouse
+\ee[<	mouse6
 \ekp1	goto\-end
 \ekp2	forw\-line
 \ekp3	forw\-screen
@@ -307,15 +334,9 @@ s	toggle\-option o
 \ekp+	noaction +
 \ekp.	noaction .
 \ekp,	noaction ,
-|	pipe
-v	visual
-!	shell
-#	pshell
-+	firstcmd
-\ee[M	mouse
-\ee[<	mouse6
 H	help
 h	help
+\ek1	help
 V	version
 0	digit
 1	digit
@@ -384,6 +405,7 @@ l l.
 #line\-edit
 \et	forw\-complete
 \e17	back\-complete
+\eekt	back\-complete
 \ee\et	back\-complete
 ^L	expand
 ^V	literal
@@ -394,14 +416,19 @@ l l.
 \ekl	left
 \eeb	word\-left
 \ee\ekl	word\-left
+\ee\ekL	word\-left
 \eew	word\-right
 \ee\ekr	word\-right
+\ee\ekR	word\-right
 \eei	insert
+\eki	insert
 \eex	delete
 \ekx	delete
 \eeX	word\-delete
 \eekx	word\-delete
+\ekX	word\-delete
 \ee\eb	word\-backspace
+\ekB	word\-backspace
 \ee0	home
 \ekh	home
 \ee$	end
@@ -409,6 +436,7 @@ l l.
 \eek	up
 \eku	up
 \eej	down
+\ekd	down
 ^G	abort
 \ekp1	end
 \ekp2	down
@@ -541,7 +569,7 @@ which start with a NUL character (0).
 This NUL character should be represented as \e340 in a lesskey file.
 .
 .SH COPYRIGHT
-Copyright (C) 1984-2025  Mark Nudelman
+Copyright (C) 1984-2026  Mark Nudelman
 .PP
 less is part of the GNU project and is free software.
 You can redistribute it and/or modify it

lesskey_parse.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1984-2025  Mark Nudelman
+ * Copyright (C) 1984-2026  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.
@@ -53,6 +53,7 @@ static constant struct lesskey_cmdname cmdnames[] =
 	{ "first-cmd",            A_FIRSTCMD },
 	{ "firstcmd",             A_FIRSTCMD },
 	{ "flush-repaint",        A_FREPAINT },
+	{ "forw-bell-hilite",     A_F_FOREVER_BELL },
 	{ "forw-bracket",         A_F_BRACKET },
 	{ "forw-forever",         A_F_FOREVER },
 	{ "forw-line",            A_F_LINE },
@@ -68,6 +69,7 @@ static constant struct lesskey_cmdname cmdnames[] =
 	{ "goto-end-buffered",    A_GOEND_BUF },
 	{ "goto-line",            A_GOLINE },
 	{ "goto-mark",            A_GOMARK },
+	{ "goto-pos",             A_GOPOS },
 	{ "help",                 A_HELP },
 	{ "index-file",           A_INDEX_FILE },
 	{ "invalid",              A_UINVALID },
@@ -80,6 +82,7 @@ static constant struct lesskey_cmdname cmdnames[] =
 	{ "noaction",             A_NOACTION },
 	{ "osc8-forw-search",     A_OSC8_F_SEARCH },
 	{ "osc8-back-search",     A_OSC8_B_SEARCH },
+	{ "osc8-jump",            A_OSC8_JUMP },
 	{ "osc8-open",            A_OSC8_OPEN },
 	{ "percent",              A_PERCENT },
 	{ "pipe",                 A_PIPE },
@@ -255,12 +258,18 @@ static constant char * tstr(char **pp, int xlate)
 				case 'd': ch = SK_DOWN_ARROW; break;
 				case 'D': ch = SK_PAGE_DOWN; break;
 				case 'e': ch = SK_END; break;
+				case 'E': ch = SK_CTL_END; break;
+				case 'F': ch = SK_SHIFT_END; break;
 				case 'h': ch = SK_HOME; break;
+				case 'H': ch = SK_CTL_HOME; break;
+				case 'I': ch = SK_SHIFT_HOME; break;
 				case 'i': ch = SK_INSERT; break;
 				case 'l': ch = SK_LEFT_ARROW; break;
 				case 'L': ch = SK_CTL_LEFT_ARROW; break;
+				case 'M': ch = SK_SHIFT_LEFT_ARROW; break;
 				case 'r': ch = SK_RIGHT_ARROW; break;
 				case 'R': ch = SK_CTL_RIGHT_ARROW; break;
+				case 'S': ch = SK_SHIFT_RIGHT_ARROW; break;
 				case 't': ch = SK_BACKTAB; break;
 				case 'u': ch = SK_UP_ARROW; break;
 				case 'U': ch = SK_PAGE_UP; break;

lesstest/display.c

@@ -1,3 +1,12 @@
+/*
+ * Copyright (C) 1984-2026  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, see the README file.
+ */
+
 #include <termcap.h>
 #include "lesstest.h"
 
@@ -136,7 +145,6 @@ void display_screen_debug(const byte* img, int imglen, int screen_width, int scr
 
 // Print a list of strings.
 void print_strings(const char* title, char* const* strings) {
-	if (1) return; ///
 	fprintf(stderr, "%s:\n", title);
 	char* const* s;
 	for (s = strings; *s != NULL; ++s) {

lesstest/env.c

@@ -1,3 +1,12 @@
+/*
+ * Copyright (C) 1984-2026  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, see the README file.
+ */
+
 #include "lesstest.h"
 
 extern TermInfo terminfo;

lesstest/lesstest.c

@@ -1,3 +1,12 @@
+/*
+ * Copyright (C) 1984-2026  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, see the README file.
+ */
+
 #include <setjmp.h>
 #include "lesstest.h"
 

lesstest/log.c

@@ -1,3 +1,12 @@
+/*
+ * Copyright (C) 1984-2026  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, see the README file.
+ */
+
 #include <stdio.h>
 #include <string.h>
 #include <unistd.h>

lesstest/lt_screen.c

@@ -1,3 +1,12 @@
+/*
+ * Copyright (C) 1984-2026  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, see the README file.
+ */
+
 #include <stdio.h>
 #include <string.h>
 #include <unistd.h>

lesstest/parse.c

@@ -1,3 +1,12 @@
+/*
+ * Copyright (C) 1984-2026  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, see the README file.
+ */
+
 #include <stdio.h>
 #include "lesstest.h"
 

lesstest/pipeline.c

@@ -1,3 +1,12 @@
+/*
+ * Copyright (C) 1984-2026  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, see the README file.
+ */
+
 #include <stdio.h>
 #include <unistd.h>
 #include <stdlib.h>
@@ -144,7 +153,10 @@ LessPipeline* create_less_pipeline(char* const* argv, int argc, char* const* env
 	if (verbose) fprintf(stderr, "screen out pipe %d,%d\n", pipeline->screen_out_pipe[RD], pipeline->screen_out_pipe[WR]);
 	pipeline->screen_pid = fork();
 	if (!pipeline->screen_pid) // child: lt_screen
+	{
+		if (verbose) sleep(1); // avoid interleaved startup output
 		become_child_screen(lt_screen, pipeline->screen_width, pipeline->screen_height, pipeline->screen_in_pipe, pipeline->screen_out_pipe);
+	}
 	if (verbose) fprintf(stderr, "screen child %ld\n", (long) pipeline->screen_pid);
 	close(pipeline->screen_out_pipe[WR]); pipeline->screen_out_pipe[WR] = -1;
 	close(pipeline->screen_in_pipe[RD]); pipeline->screen_in_pipe[RD] = -1;

lesstest/run.c

@@ -1,3 +1,12 @@
+/*
+ * Copyright (C) 1984-2026  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, see the README file.
+ */
+
 #include <time.h>
 #include <errno.h>
 #include <setjmp.h>

lesstest/term.c

@@ -1,3 +1,12 @@
+/*
+ * Copyright (C) 1984-2026  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, see the README file.
+ */
+
 #include <string.h>
 #include <fcntl.h>
 #include <termios.h>

lesstest/unicode.c

@@ -1,3 +1,12 @@
+/*
+ * Copyright (C) 1984-2026  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, see the README file.
+ */
+
 #include "lt_types.h"
 
 typedef struct wchar_range { wchar first, last; } wchar_range;

lesstest/wchar.c

@@ -1,3 +1,12 @@
+/*
+ * Copyright (C) 1984-2026  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, see the README file.
+ */
+
 #include <unistd.h>
 #include "lt_types.h"
 

lglob.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1984-2025  Mark Nudelman
+ * Copyright (C) 1984-2026  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.

line.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1984-2025  Mark Nudelman
+ * Copyright (C) 1984-2026  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.

linenum.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1984-2025  Mark Nudelman
+ * Copyright (C) 1984-2026  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.

lsystem.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1984-2025  Mark Nudelman
+ * Copyright (C) 1984-2026  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.

main.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1984-2025  Mark Nudelman
+ * Copyright (C) 1984-2026  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.

mark.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1984-2025  Mark Nudelman
+ * Copyright (C) 1984-2026  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.

mkhelp.pl

@@ -7,7 +7,7 @@ use strict;
 # whose content is the input to this script.
 
 {
-    my ($sec,$min,$hour,$mday,$mon,$year) = gmtime($ENV{SOURCE_DATE_EPOCH} // time());
+    my ($sec,$min,$hour,$mday,$mon,$year) = gmtime(defined $ENV{SOURCE_DATE_EPOCH} ? $ENV{SOURCE_DATE_EPOCH} : time());
     printf "/* This file was generated by mkhelp.pl from less.hlp at %d:%02d on %d/%d/%d */\n",
         $hour, $min, $year+1900, $mon+1, $mday;
     print "#include \"less.h\"\n";

optfunc.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1984-2025  Mark Nudelman
+ * Copyright (C) 1984-2026  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.
@@ -556,7 +556,7 @@ public void opt__V(int type, constant char *s)
 		putstr(" regular expressions)\n");
 		{
 			char constant *copyright = 
-				"Copyright (C) 1984-2025  Mark Nudelman\n\n";
+				"Copyright (C) 1984-2026  Mark Nudelman\n\n";
 			putstr(copyright);
 		}
 		if (version[strlen(version)-1] == 'x')

option.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1984-2025  Mark Nudelman
+ * Copyright (C) 1984-2026  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.
@@ -93,7 +93,7 @@ public void scan_option(constant char *s, lbool is_env)
 				break;
 			case O_NUMBER:
 				printopt = opt_desc(pendopt);
-				getnumc(&s, printopt, FALSE, pendopt->ovar);
+				getnumc(&s, printopt, (pendopt->otype & O_NEGOK) != 0, pendopt->ovar);
 				break;
 			}
 		}
@@ -295,7 +295,7 @@ public void scan_option(constant char *s, lbool is_env)
 			}
 			if (o->otype & O_UNSUPPORTED)
 				break;
-			getnumc(&s, printopt, FALSE, o->ovar);
+			getnumc(&s, printopt, (o->otype & O_NEGOK) != 0, o->ovar);
 			break;
 		}
 		/*
@@ -437,7 +437,7 @@ public lbool toggle_option(struct loption *o, lbool lower, constant char *s, int
 			switch (how_toggle)
 			{
 			case OPT_TOGGLE:
-				if (!getnumc(&s, opt_desc(o), FALSE, o->ovar))
+				if (!getnumc(&s, opt_desc(o), (o->otype & O_NEGOK) != 0, o->ovar))
 					return FALSE;
 				break;
 			case OPT_UNSET:

option.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1984-2025  Mark Nudelman
+ * Copyright (C) 1984-2026  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.
@@ -24,6 +24,7 @@
 #define O_NO_QUERY        0400    /* Option cannot be queried with "_" cmd */
 #define O_INIT_HANDLER    01000   /* Call option handler function at startup */
 #define O_UNSUPPORTED     02000   /* Option is unsupported via LESS_UNSUPPORT */
+#define O_NEGOK           04000   /* O_NUMBER parameter may be negative */
 
 #define OTYPE           (O_BOOL|O_TRIPLE|O_NUMBER|O_STRING|O_NOVAR)
 

opttbl.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1984-2025  Mark Nudelman
+ * Copyright (C) 1984-2026  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.
@@ -472,7 +472,7 @@ static struct loption option[] =
 		}
 	},
 	{ 'z', &z_optname,
-		O_NUMBER, -1, &swindow, NULL,
+		O_NUMBER|O_NEGOK, -1, &swindow, NULL,
 		{
 			"Scroll window size: ",
 			"Scroll window size is %d lines",

os.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1984-2025  Mark Nudelman
+ * Copyright (C) 1984-2026  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.

output.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1984-2025  Mark Nudelman
+ * Copyright (C) 1984-2026  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.

pattern.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1984-2025  Mark Nudelman
+ * Copyright (C) 1984-2026  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.

pattern.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1984-2025  Mark Nudelman
+ * Copyright (C) 1984-2026  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.

pckeys.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1984-2025  Mark Nudelman
+ * Copyright (C) 1984-2026  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.
@@ -36,3 +36,5 @@
 #define PCK_CTL_HOME            '\x7a'
 #define PCK_CTL_END             '\x7c'
 #define PCK_SHIFT_HOME          '\x7d'
+#define PCK_SHIFT_LEFT          '\x73'
+#define PCK_SHIFT_RIGHT         '\x7f'

position.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1984-2025  Mark Nudelman
+ * Copyright (C) 1984-2026  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.

position.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1984-2025  Mark Nudelman
+ * Copyright (C) 1984-2026  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.

prompt.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1984-2025  Mark Nudelman
+ * Copyright (C) 1984-2026  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.

screen.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1984-2025  Mark Nudelman
+ * Copyright (C) 1984-2026  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.
@@ -367,6 +367,15 @@ static void set_termio_flags(
 #endif
 #ifdef ONLRET
 		| ONLRET
+#endif
+	);
+
+	s->c_iflag &= ~(0
+#ifdef ICRNL
+		| ICRNL
+#endif
+#ifdef INLCR
+		| INLCR
 #endif
 	);
 }
@@ -381,7 +390,7 @@ static void set_termio_flags(
  *      4. \t is NOT expanded into spaces.
  *      5. Signal-causing characters such as ctrl-C (interrupt),
  *         etc. are NOT disabled.
- * It doesn't matter whether an input \n is mapped to \r, or vice versa.
+ *      6. Input \r is not mapped to \n, nor vice versa.
  */
 public void raw_mode(int on)
 {
@@ -897,7 +906,7 @@ public void scrsize(void)
 #ifdef TIOCGWINSZ
 	{
 		struct winsize w;
-		if (ioctl(2, TIOCGWINSZ, &w) == 0)
+		if (ioctl(2, TIOCGWINSZ, &w) == 0 || ioctl(1, TIOCGWINSZ, &w) == 0)
 		{
 			if (w.ws_row > 0)
 				sys_height = w.ws_row;
@@ -909,7 +918,7 @@ public void scrsize(void)
 #ifdef WIOCGETD
 	{
 		struct uwdata w;
-		if (ioctl(2, WIOCGETD, &w) == 0)
+		if (ioctl(2, WIOCGETD, &w) == 0 || ioctl(1, WIOCGETD, &w) == 0)
 		{
 			if (w.uw_height > 0)
 				sys_height = w.uw_height / w.uw_vs;
@@ -1030,6 +1039,8 @@ public constant char * special_key_str(int key)
 	static char k_left[]            = { '\340', PCK_LEFT, 0  };
 	static char k_ctl_right[]       = { '\340', PCK_CTL_RIGHT, 0  };
 	static char k_ctl_left[]        = { '\340', PCK_CTL_LEFT, 0  };
+	static char k_shift_right[]     = { '\340', PCK_SHIFT_RIGHT, 0  };
+	static char k_shift_left[]      = { '\340', PCK_SHIFT_LEFT, 0  };
 	static char k_insert[]          = { '\340', PCK_INSERT, 0  };
 	static char k_delete[]          = { '\340', PCK_DELETE, 0  };
 	static char k_ctl_delete[]      = { '\340', PCK_CTL_DELETE, 0  };
@@ -1135,6 +1146,12 @@ public constant char * special_key_str(int key)
 	case SK_CTL_RIGHT_ARROW:
 		s = k_ctl_right;
 		break;
+	case SK_SHIFT_LEFT_ARROW:
+		s = k_shift_left;
+		break;
+	case SK_SHIFT_RIGHT_ARROW:
+		s = k_shift_right;
+		break;
 	case SK_CTL_BACKSPACE:
 		s = k_ctl_backspace;
 		break;
@@ -1205,6 +1222,12 @@ public constant char * special_key_str(int key)
 	case SK_BACKTAB:
 		s = ltgetstr("kcbt", "kB", &sp);
 		break;
+	case SK_SHIFT_RIGHT_ARROW:
+		s = ltgetstr("kRIT", NULL, &sp);
+		break;
+	case SK_SHIFT_LEFT_ARROW:
+		s = ltgetstr("kLFT", NULL, &sp);
+		break;
 	case SK_CTL_RIGHT_ARROW:
 		s = ltgetstr("kRIT5", NULL, &sp);
 		break;
@@ -1289,6 +1312,8 @@ public constant char * special_key_str(int key)
 	default:
 		return (NULL);
 	}
+	if (s != NULL && *s == '\0')
+		s = NULL;
 	return (s);
 }
 
@@ -1418,6 +1443,8 @@ public void get_term()
 		term = DEFAULT_TERM;
 	hardcopy = 0;
 #if USE_TERMINFO
+	if (cur_term != NULL)
+		del_curterm(cur_term);
 	if (setupterm(term, -1, NULL) != OK)
 		hardcopy = 1;
 #else
@@ -3300,6 +3327,12 @@ static lbool win32_scan_code(XINPUT_RECORD *xip)
 		{
 			switch (xip->ir.Event.KeyEvent.wVirtualScanCode)
 			{
+				case PCK_RIGHT:
+					scan = PCK_SHIFT_RIGHT;
+					break;
+				case PCK_LEFT:
+					scan = PCK_SHIFT_LEFT;
+					break;
 				case PCK_HOME:
 					scan = PCK_SHIFT_HOME;
 					break;

scrsize.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1984-2025  Mark Nudelman
+ * Copyright (C) 1984-2026  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.

search.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1984-2025  Mark Nudelman
+ * Copyright (C) 1984-2026  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.

signal.c

@@ -1,6 +1,6 @@
 #include <errno.h>
 /*
- * Copyright (C) 1984-2025  Mark Nudelman
+ * Copyright (C) 1984-2026  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.

tags.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1984-2025  Mark Nudelman
+ * Copyright (C) 1984-2026  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.

ttyin.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1984-2025  Mark Nudelman
+ * Copyright (C) 1984-2026  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.

version.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1984-2025  Mark Nudelman
+ * Copyright (C) 1984-2026  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.
@@ -1074,6 +1074,10 @@ v689  12/27/25  Add prompt seqs %C, %W, %Q, ?Q; don't allow any command to
                 add --without-termlib.
 v690  12/31/25  Cleanup.
 v691  1/10/26   Fix mingw build.
+v692  1/29/26   Fix memory leak in setupterm; clear termio ICRNL|INLCR;
+                fix bug with negative value in -z; fix bug with empty 
+                terminfo caps; make lesstest ignore nl_langinfo;
+				revert HOME/END to g/G; add keys & cmds to lesskey parser.
 */
 
-char version[] = "691";
+char version[] = "692";

xbuf.c

@@ -1,3 +1,12 @@
+/*
+ * Copyright (C) 1984-2026  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, see the README file.
+ */
+
 #include "less.h"
 #include "xbuf.h"
 

xbuf.h

@@ -1,3 +1,12 @@
+/*
+ * Copyright (C) 1984-2026  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, see the README file.
+ */
+
 #ifndef XBUF_H_
 #define XBUF_H_