add checks for ~+ and ~- (inspired by posh change) and bump date,

as I’m not likely to continue hacking tonight

check.t

@@ -1,4 +1,4 @@
-# $MirOS: src/bin/mksh/check.t,v 1.564 2012/11/12 18:48:29 tg Exp $
+# $MirOS: src/bin/mksh/check.t,v 1.565 2012/11/12 19:13:44 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 $
@@ -29,7 +29,7 @@
 # http://www.freebsd.org/cgi/cvsweb.cgi/src/tools/regression/bin/test/regress.sh?rev=HEAD
 
 expected-stdout:
-	@(#)MIRBSD KSH R40 2012/10/30
+	@(#)MIRBSD KSH R40 2012/11/12
 description:
 	Check version of shell.
 stdin:
@@ -38,7 +38,7 @@ name: KSH_VERSION
 category: shell:legacy-no
 ---
 expected-stdout:
-	@(#)LEGACY KSH R40 2012/10/30
+	@(#)LEGACY KSH R40 2012/11/12
 description:
 	Check version of legacy shell.
 stdin:
@@ -5613,6 +5613,24 @@ expected-stdout:
 	a=/sweet b=/sweet c=d~ /sweet
 	a=~ b=~ c=d~ /sweet
 ---
+name: tilde-expand-2
+description:
+	Check tilde expansion works
+env-setup: !HOME=/sweet!
+stdin:
+	wd=$PWD
+	cd /
+	plus=$(print -r -- ~+)
+	minus=$(print -r -- ~-)
+	nix=$(print -r -- ~)
+	[[ $plus = / ]]; echo one $? .
+	[[ $minus = "$wd" ]]; echo two $? .
+	[[ $nix = /sweet ]]; echo nix $? .
+expected-stdout:
+	one 0 .
+	two 0 .
+	nix 0 .
+---
 name: exit-err-1
 description:
 	Check some "exit on error" conditions

sh.h

@@ -157,9 +157,9 @@
 #endif
 
 #ifdef EXTERN
-__RCSID("$MirOS: src/bin/mksh/sh.h,v 1.601 2012/11/12 18:28:40 tg Exp $");
+__RCSID("$MirOS: src/bin/mksh/sh.h,v 1.602 2012/11/12 19:13:46 tg Exp $");
 #endif
-#define MKSH_VERSION "R40 2012/10/30"
+#define MKSH_VERSION "R40 2012/11/12"
 
 /* arithmetic types: C implementation */
 #if !HAVE_CAN_INTTYPES