add regression tests, sync manpage, bump version number

check.t

@@ -1,4 +1,4 @@
-# $MirOS: src/bin/mksh/check.t,v 1.224 2008/09/20 19:17:59 tg Exp $
+# $MirOS: src/bin/mksh/check.t,v 1.225 2008/09/30 18:43:06 tg Exp $
 # $OpenBSD: bksl-nl.t,v 1.2 2001/01/28 23:04:56 niklas Exp $
 # $OpenBSD: history.t,v 1.5 2001/01/28 23:04:56 niklas Exp $
 # $OpenBSD: read.t,v 1.3 2003/03/10 03:48:16 david Exp $
@@ -7,7 +7,7 @@
 # http://www.research.att.com/~gsf/public/ifs.sh
 
 expected-stdout:
-	@(#)MIRBSD KSH R35 2008/09/20
+	@(#)MIRBSD KSH R35 2008/09/30
 description:
 	Check version of shell.
 stdin:
@@ -1726,6 +1726,26 @@ expected-stdout:
 expected-stderr-pattern:
 	/^X*$/
 ---
+name: history-dups
+description:
+	Verify duplicates and spaces are not entered
+arguments: !-i!
+env-setup: !ENV=./Env!HISTFILE=hist.file!
+file-setup: file 644 "Env"
+	PS1=X
+stdin:
+	echo hi
+	 echo yo
+	echo hi
+	fc -l
+expected-stdout:
+	hi
+	yo
+	hi
+	1	echo hi
+expected-stderr-pattern:
+	/^X*$/
+---
 name: history-unlink
 description:
 	Check if broken HISTFILEs do not cause trouble

mksh.1

@@ -1,4 +1,4 @@
-.\" $MirOS: src/bin/mksh/mksh.1,v 1.136 2008/09/17 19:31:30 tg Exp $
+.\" $MirOS: src/bin/mksh/mksh.1,v 1.137 2008/09/30 18:43:07 tg Exp $
 .\" $OpenBSD: ksh.1,v 1.122 2008/05/17 23:31:52 sobrado Exp $
 .\"-
 .\" Try to make GNU groff and AT&T nroff more compatible
@@ -30,7 +30,7 @@
 .el .xD \\$1 \\$2 \\$3 \\$4 \\$5 \\$6 \\$7 \\$8
 ..
 .\"-
-.Dd $Mdocdate: September 17 2008 $
+.Dd $Mdocdate: September 30 2008 $
 .Dt MKSH 1
 .Os MirBSD
 .Sh NAME
@@ -4532,6 +4532,9 @@ character is displayed in the last column indicating that there are more
 characters after, before and after, or before the current position,
 respectively.
 The line is scrolled horizontally as necessary.
+.Pp
+Completed lines are pushed into the history, unless they begin with an IFS
+character of IFS white space, or are the same as the previous history line.
 .Ss Emacs editing mode
 When the
 .Ic emacs
@@ -4697,6 +4700,15 @@ has been performed.
 Lowercases the next
 .Ar n
 words.
+.It Xo edit\-line:
+.Op Ar n 
+.No \*(haXe
+.Xc
+Edit line
+.Ar n
+or the current line, if not specified, interactively.
+The actual command executed is
+.Ic fc \-e ${VISUAL:\-${EDITOR:\-vi}} Ar n .
 .It end\-of\-history: \*(ha[\*(Gt
 Moves to the end of the history.
 .It end\-of\-line: \*(haE
@@ -4819,7 +4831,8 @@ An initial
 .Ql \*(ha
 in the search string anchors the search.
 The escape key will leave search mode.
-Other commands will be executed after leaving search mode.
+Other commands, including sequences of escape as prefix-1 followed by a
+prefix-1 or prefix-2 key will be executed after leaving search mode.
 Successive
 .Ic search\-history
 commands continue searching backward to the next previous occurrence of the
@@ -5532,7 +5545,7 @@ and many other persons, and is currently maintained by
 .An Thorsten Glaser Aq tg@mirbsd.de .
 .Sh BUGS
 This document attempts to describe
-.Nm mksh\ R35c
+.Nm mksh\ R36
 and up,
 compiled without any options impacting functionality, such as
 .Dv MKSH_SMALL ,

sh.h

@@ -100,9 +100,9 @@
 #define __SCCSID(x)	__IDSTRING(sccsid,x)
 
 #ifdef EXTERN
-__RCSID("$MirOS: src/bin/mksh/sh.h,v 1.234 2008/09/30 17:49:26 tg Exp $");
+__RCSID("$MirOS: src/bin/mksh/sh.h,v 1.235 2008/09/30 18:43:07 tg Exp $");
 #endif
-#define MKSH_VERSION "R35 2008/09/20"
+#define MKSH_VERSION "R35 2008/09/30"
 
 #ifndef MKSH_INCLUDES_ONLY