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allow backslash escapes for bind for ^ and \ o̲n̲l̲y̲; also more EBCDIC-friendly

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This commit is contained in:
tg 2017-04-28 03:37:44 +00:00
parent fba6940ba4
commit 1c6b2d1cb8
2 changed files with 15 additions and 14 deletions
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22
edit.c
View File

@ -28,7 +28,7 @@
#ifndef MKSH_NO_CMDLINE_EDITING
__RCSID("$MirOS: src/bin/mksh/edit.c,v 1.332 2017/04/28 03:28:17 tg Exp $");
__RCSID("$MirOS: src/bin/mksh/edit.c,v 1.333 2017/04/28 03:37:43 tg Exp $");
/*
* in later versions we might use libtermcap for this, but since external
@ -2394,18 +2394,18 @@ x_mapin(const char *cp, Area *ap)
strdupx(news, cp, ap);
op = news;
while (*cp) {
/* XXX -- should handle \^ escape? */
if (*cp == '^') {
switch (*cp) {
case '^':
cp++;
/*XXX or ^^ escape? this is ugly. */
if (rtt2asc(*cp) >= 0x3FU)
*op++ = ksh_toctrl(*cp);
else {
*op++ = '^';
cp--;
}
} else
*op++ = ksh_toctrl(*cp);
break;
case '\\':
if (cp[1] == '\\' || cp[1] == '^')
++cp;
/* FALLTHROUGH */
default:
*op++ = *cp;
}
cp++;
}
*op = '\0';

7
mksh.1
View File

@ -1,4 +1,4 @@
.\" $MirOS: src/bin/mksh/mksh.1,v 1.445 2017/04/27 23:33:19 tg Exp $
.\" $MirOS: src/bin/mksh/mksh.1,v 1.446 2017/04/28 03:37:44 tg Exp $
.\" $OpenBSD: ksh.1,v 1.160 2015/07/04 13:27:04 feinerer Exp $
.\"-
.\" Copyright © 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009,
@ -76,7 +76,7 @@
.\" with -mandoc, it might implement .Mx itself, but we want to
.\" use our own definition. And .Dd must come *first*, always.
.\"
.Dd $Mdocdate: April 27 2017 $
.Dd $Mdocdate: April 28 2017 $
.\"
.\" Check which macro package we use, and do other -mdoc setup.
.\"
@ -3164,7 +3164,8 @@ other trailing character will be processed afterwards.
.Pp
Control characters may be written using caret notation
i.e. \*(haX represents Ctrl-X.
Note that although only two prefix characters (usually ESC and \*(haX)
The caret itself can be escaped by a backslash, which also escapes itself.
Note that although only three prefix characters (usually ESC, \*(haX and NUL)
are supported, some multi-character sequences can be supported.
.Pp
The following default bindings show how the arrow keys, the home, end and