diff --git a/check.pl b/check.pl
index bb79844..5bb2333 100644
--- a/check.pl
+++ b/check.pl
@@ -1,4 +1,4 @@
-# $MirOS: src/bin/mksh/check.pl,v 1.47 2017/05/03 14:51:15 tg Exp $
+# $MirOS: src/bin/mksh/check.pl,v 1.48 2017/05/05 19:43:50 tg Exp $
 # $OpenBSD: th,v 1.1 2013/12/02 20:39:44 millert Exp $
 #-
 # Copyright (c) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2011,
@@ -881,52 +881,50 @@ first_diff
 	    $char = 1;
 	}
     }
-    return "first difference: line $lineno, char $char (wanted '"
-	. &format_char($ce) . "', got '"
-	. &format_char($cg) . "'";
+    return "first difference: line $lineno, char $char (wanted " .
+	&format_char($ce) . ", got " . &format_char($cg);
 }
 
 sub
 format_char
 {
-    local($ch, $s);
+    local($ch, $s, $q);
 
     $ch = ord($_[0]);
+    $q = "'";
 
     if ($is_ebcdic) {
 	if ($ch == 0x15) {
-		return '\n';
+		return $q . '\n' . $q;
 	} elsif ($ch == 0x16) {
-		return '\b';
+		return $q . '\b' . $q;
 	} elsif ($ch == 0x05) {
-		return '\t';
+		return $q . '\t' . $q;
 	} elsif ($ch < 64 || $ch == 255) {
 		return sprintf("X'%02X'", $ch);
 	}
-	return chr($ch);
+	return sprintf("'%c' (X'%02X')", $ch, $ch);
     }
 
+    $s = sprintf("0x%02X (", $ch);
     if ($ch == 10) {
-	return '\n';
+	return $s . $q . '\n' . $q . ')';
     } elsif ($ch == 13) {
-	return '\r';
+	return $s . $q . '\r' . $q . ')';
     } elsif ($ch == 8) {
-	return '\b';
+	return $s . $q . '\b' . $q . ')';
     } elsif ($ch == 9) {
-	return '\t';
+	return $s . $q . '\t' . $q . ')';
     } elsif ($ch > 127) {
-	$ch -= 127;
-	$s = "M-";
-    } else {
-	$s = '';
+	$ch -= 128;
+	$s .= "M-";
     }
     if ($ch < 32) {
-	$s .= '^';
-	$ch += ord('@');
+	return sprintf("%s^%c)", $s, $ch + ord('@'));
     } elsif ($ch == 127) {
-	return $s . "^?";
+	return $s . "^?)";
     }
-    return $s . sprintf("%c", $ch);
+    return sprintf("%s'%c')", $s, $ch);
 }
 
 sub
diff --git a/check.t b/check.t
index 3045159..12dbc56 100644
--- a/check.t
+++ b/check.t
@@ -1,4 +1,4 @@
-# $MirOS: src/bin/mksh/check.t,v 1.789 2017/05/03 17:48:06 tg Exp $
+# $MirOS: src/bin/mksh/check.t,v 1.790 2017/05/05 19:43:50 tg Exp $
 # -*- mode: sh -*-
 #-
 # Copyright © 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010,
@@ -1356,10 +1356,10 @@ name: cd-pe
 description:
 	Check package for cd -Pe
 need-pass: no
-# the mv command fails on Cygwin
+# the mv command fails on Cygwin and z/OS
 # Hurd aborts the testsuite (permission denied)
 # QNX does not find subdir to cd into
-category: !os:cygwin,!os:gnu,!os:msys,!os:nto,!nosymlink
+category: !os:cygwin,!os:gnu,!os:msys,!os:nto,!os:os390,!nosymlink
 file-setup: file 644 "x"
 	mkdir noread noread/target noread/target/subdir
 	ln -s noread link
@@ -12742,13 +12742,13 @@ description:
 	Test what the echo builtin does, and test a compatibility flag.
 category: !mnbsdash,!shell:ebcdic-no
 stdin:
-	"$__progname" -c 'echo -n 1=\\x7C$1; echo -e \\x2E' -- foo bar
-	"$__progname" -o posix -c 'echo -n 2=\\x7C$1; echo -e \\x2E' -- foo bar
-	"$__progname" -o sh -c 'echo -n 3=\\x7C$1; echo -e \\x2E' -- foo bar
+	"$__progname" -c 'echo -n 1=\\x7C$1; echo -e \\x4B' -- foo bar
+	"$__progname" -o posix -c 'echo -n 2=\\x7C$1; echo -e \\x4B' -- foo bar
+	"$__progname" -o sh -c 'echo -n 3=\\x7C$1; echo -e \\x4B' -- foo bar
 expected-stdout:
 	1=@foo.
-	2=\x7Cfoo-e \x2E
-	3=\x7Cfoo-e \x2E
+	2=\x7Cfoo-e \x4B
+	3=\x7Cfoo-e \x4B
 ---
 name: utilities-getopts-1
 description:
diff --git a/misc.c b/misc.c
index 4ad337d..3cc9df5 100644
--- a/misc.c
+++ b/misc.c
@@ -32,7 +32,7 @@
 #include <grp.h>
 #endif
 
-__RCSID("$MirOS: src/bin/mksh/misc.c,v 1.275 2017/05/03 17:48:08 tg Exp $");
+__RCSID("$MirOS: src/bin/mksh/misc.c,v 1.276 2017/05/05 19:43:52 tg Exp $");
 
 #define KSH_CHVT_FLAG
 #ifdef MKSH_SMALL
@@ -1134,7 +1134,9 @@ gmatch_cclass(const unsigned char *pat, unsigned char sc)
 			}
 		}
 		/* now do the actual range match check */
-		if (lc != 0 && /* c != 0 && */ lc <= sc && sc <= c)
+		if (lc != 0 /* && c != 0 */ &&
+		    asciibetical(lc) <= asciibetical(sc) &&
+		    asciibetical(sc) <= asciibetical(c))
 			found = true;
 		/* forced next character? */
 		if (subc) {