MFC remaining fixes; tested locally a lot, plus remotely with

GNU C11 (Debian 20150413-1) version 5.0.1 20150413 (prerelease) [gcc-5-branch revision 222050] (x86_64-linux-gnu)
including ASan (testsuite) and Valgrind (short)

check.t

@@ -1,4 +1,4 @@
-# $MirOS: src/bin/mksh/check.t,v 1.689 2015/04/11 23:28:17 tg Exp $
+# $MirOS: src/bin/mksh/check.t,v 1.690 2015/04/19 19:18:03 tg Exp $
 # -*- mode: sh -*-
 #-
 # Copyright © 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010,
@@ -30,7 +30,7 @@
 # (2013/12/02 20:39:44) http://openbsd.cs.toronto.edu/cgi-bin/cvsweb/src/regress/bin/ksh/?sortby=date
 
 expected-stdout:
-	@(#)MIRBSD KSH R51 2015/04/11
+	@(#)MIRBSD KSH R51 2015/04/19
 description:
 	Check version of shell.
 stdin:
@@ -39,7 +39,7 @@ name: KSH_VERSION
 category: shell:legacy-no
 ---
 expected-stdout:
-	@(#)LEGACY KSH R51 2015/04/11
+	@(#)LEGACY KSH R51 2015/04/19
 description:
 	Check version of legacy shell.
 stdin:
@@ -8591,6 +8591,50 @@ expected-stdout:
 ]
 	{220-blau.mirbsd.org ESMTP ready at Thu, 25 Jul 2013 15:57:57 GMT
 }
+	{220->> Bitte keine Werbung einwerfen! <<
+
+}
+	{220 Who do you wanna pretend to be today?
+}
+---
+name: print-crlf
+description:
+	Check that CR+LF is shown and read as-is
+stdin:
+	cat >foo <<-'EOF'
+		x='bar
+		' #
+		if test x"$KSH_VERSION" = x""; then #
+			printf '<%s>' "$x" #
+		else #
+			print -nr -- "<$x>" #
+		fi #
+	EOF
+	echo "[$("$__progname" foo)]"
+	"$__progname" foo | while IFS= read -r line; do
+		print -r -- "{$line}"
+	done
+expected-stdout:
+	[<bar
+	>]
+	{<bar
+}
+---
+name: print-lf
+description:
+	Check that LF-only is shown and read as-is
+stdin:
+	cat >foo <<-'EOF'
+		x='bar
+		' #
+		if test x"$KSH_VERSION" = x""; then #
+			printf '<%s>' "$x" #
+		else #
+			print -nr -- "<$x>" #
+		fi #
+	EOF
+	echo "[$("$__progname" foo)]"
+	"$__progname" foo | while IFS= read -r line; do
 		print -r -- "{$line}"
 	done
 expected-stdout:

mksh.1

@@ -1,4 +1,4 @@
-.\" $MirOS: src/bin/mksh/mksh.1,v 1.361 2015/04/12 22:32:12 tg Exp $
+.\" $MirOS: src/bin/mksh/mksh.1,v 1.362 2015/04/19 19:18:05 tg Exp $
 .\" $OpenBSD: ksh.1,v 1.159 2015/03/25 12:10:52 jca Exp $
 .\"-
 .\" Copyright © 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009,
@@ -74,7 +74,7 @@
 .\" with -mandoc, it might implement .Mx itself, but we want to
 .\" use our own definition. And .Dd must come *first*, always.
 .\"
-.Dd $Mdocdate: April 12 2015 $
+.Dd $Mdocdate: April 19 2015 $
 .\"
 .\" Check which macro package we use, and do other -mdoc setup.
 .\"
@@ -1130,7 +1130,7 @@ login=\*(aq\eexec login\*(aq
 nameref=\*(aq\etypeset \-n\*(aq
 nohup=\*(aqnohup \*(aq
 r=\*(aq\ebuiltin fc \-e \-\*(aq
-source=\*(aqPATH=$PATH:. \ecommand .'
+source=\*(aqPATH=$PATH:. \ecommand .\*(aq
 stop=\*(aq\ekill \-STOP\*(aq
 type=\*(aq\ebuiltin whence \-v\*(aq
 .Ed

sh.h

@@ -169,9 +169,9 @@
 #endif
 
 #ifdef EXTERN
-__RCSID("$MirOS: src/bin/mksh/sh.h,v 1.724 2015/04/19 18:50:37 tg Exp $");
+__RCSID("$MirOS: src/bin/mksh/sh.h,v 1.725 2015/04/19 19:18:07 tg Exp $");
 #endif
-#define MKSH_VERSION "R51 2015/04/11"
+#define MKSH_VERSION "R51 2015/04/19"
 
 /* arithmetic types: C implementation */
 #if !HAVE_CAN_INTTYPES