diff --git a/unvis.c b/unvis.c
index 8d460c34b158..6ca4e7376dc1 100644
--- a/unvis.c
+++ b/unvis.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: unvis.c,v 1.39 2012/03/13 21:13:37 christos Exp $	*/
+/*	$NetBSD: unvis.c,v 1.40 2012/12/14 21:31:01 christos Exp $	*/
 
 /*-
  * Copyright (c) 1989, 1993
@@ -34,7 +34,7 @@
 #if 0
 static char sccsid[] = "@(#)unvis.c	8.1 (Berkeley) 6/4/93";
 #else
-__RCSID("$NetBSD: unvis.c,v 1.39 2012/03/13 21:13:37 christos Exp $");
+__RCSID("$NetBSD: unvis.c,v 1.40 2012/12/14 21:31:01 christos Exp $");
 #endif
 #endif /* LIBC_SCCS and not lint */
 
@@ -81,7 +81,7 @@ __weak_alias(strnunvisx,_strnunvisx)
  * RFC 1866
  */
 static const struct nv {
-	const char *name;
+	const char name[7];
 	uint8_t value;
 } nv[] = {
 	{ "AElig",	198 }, /* capital AE diphthong (ligature)  */
diff --git a/vis.3 b/vis.3
index 6f1e9d5fa847..957ee3266542 100644
--- a/vis.3
+++ b/vis.3
@@ -1,4 +1,4 @@
-.\"	$NetBSD: vis.3,v 1.27 2011/05/17 07:10:39 joerg Exp $
+.\"	$NetBSD: vis.3,v 1.28 2012/12/14 21:38:18 christos Exp $
 .\"
 .\" Copyright (c) 1989, 1991, 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -29,7 +29,7 @@
 .\"
 .\"     @(#)vis.3	8.1 (Berkeley) 6/9/93
 .\"
-.Dd March 12, 2011
+.Dd December 14, 2012
 .Dt VIS 3
 .Os
 .Sh NAME
@@ -219,6 +219,15 @@ except space, tab, and newline are encoded.
 The following flags
 alter this:
 .Bl -tag -width VIS_WHITEX
++.It Dv VIS_GLOB
+Also encode magic characters
+.Ql ( * ,
+.Ql \&? ,
+.Ql \&[
+and
+.Ql # )
+recognized by
+.Xr glob 3 .
 .It Dv VIS_SP
 Also encode space.
 .It Dv VIS_TAB
@@ -408,6 +417,7 @@ The destination buffer size is not large enough to perform the conversion.
 .Sh SEE ALSO
 .Xr unvis 1 ,
 .Xr vis 1 ,
+.Xr glob 3 ,
 .Xr unvis 3
 .Rs
 .%A T. Berners-Lee
diff --git a/vis.c b/vis.c
index d20694410942..0afc6eaa613c 100644
--- a/vis.c
+++ b/vis.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: vis.c,v 1.44 2011/03/12 19:52:48 christos Exp $	*/
+/*	$NetBSD: vis.c,v 1.45 2012/12/14 21:38:18 christos Exp $	*/
 
 /*-
  * Copyright (c) 1989, 1993
@@ -57,7 +57,7 @@
 
 #include <sys/cdefs.h>
 #if defined(LIBC_SCCS) && !defined(lint)
-__RCSID("$NetBSD: vis.c,v 1.44 2011/03/12 19:52:48 christos Exp $");
+__RCSID("$NetBSD: vis.c,v 1.45 2012/12/14 21:38:18 christos Exp $");
 #endif /* LIBC_SCCS and not lint */
 
 #include "namespace.h"
@@ -89,7 +89,7 @@ static char *do_svis(char *, size_t *, int, int, int, const char *);
 #define xtoa(c)		"0123456789abcdef"[c]
 #define XTOA(c)		"0123456789ABCDEF"[c]
 
-#define MAXEXTRAS	5
+#define MAXEXTRAS	9
 
 #define MAKEEXTRALIST(flag, extra, orig_str)				      \
 do {									      \
@@ -103,6 +103,12 @@ do {									      \
 	for (o = orig, e = extra; (*e++ = *o++) != '\0';)		      \
 		continue;						      \
 	e--;								      \
+	if (flag & VIS_GLOB) {						      \
+		*e++ = '*';						      \
+		*e++ = '?';						      \
+		*e++ = '[';						      \
+		*e++ = '#';						      \
+	}								      \
 	if (flag & VIS_SP) *e++ = ' ';					      \
 	if (flag & VIS_TAB) *e++ = '\t';				      \
 	if (flag & VIS_NL) *e++ = '\n';					      \
diff --git a/vis.h b/vis.h
index 5e8d1d31e85a..dbdb2c4de1fb 100644
--- a/vis.h
+++ b/vis.h
@@ -1,4 +1,4 @@
-/*	$NetBSD: vis.h,v 1.19 2011/03/12 19:52:45 christos Exp $	*/
+/*	$NetBSD: vis.h,v 1.20 2012/12/14 21:36:59 christos Exp $	*/
 
 /*-
  * Copyright (c) 1990, 1993
@@ -39,29 +39,30 @@
 /*
  * to select alternate encoding format
  */
-#define	VIS_OCTAL	0x001	/* use octal \ddd format */
-#define	VIS_CSTYLE	0x002	/* use \[nrft0..] where appropiate */
+#define	VIS_OCTAL	0x0001	/* use octal \ddd format */
+#define	VIS_CSTYLE	0x0002	/* use \[nrft0..] where appropiate */
 
 /*
  * to alter set of characters encoded (default is to encode all
  * non-graphic except space, tab, and newline).
  */
-#define	VIS_SP		0x004	/* also encode space */
-#define	VIS_TAB		0x008	/* also encode tab */
-#define	VIS_NL		0x010	/* also encode newline */
+#define	VIS_SP		0x0004	/* also encode space */
+#define	VIS_TAB		0x0008	/* also encode tab */
+#define	VIS_NL		0x0010	/* also encode newline */
 #define	VIS_WHITE	(VIS_SP | VIS_TAB | VIS_NL)
-#define	VIS_SAFE	0x020	/* only encode "unsafe" characters */
+#define	VIS_SAFE	0x0020	/* only encode "unsafe" characters */
 
 /*
  * other
  */
-#define	VIS_NOSLASH	0x040	/* inhibit printing '\' */
-#define	VIS_HTTP1808	0x080	/* http-style escape % hex hex */
-#define	VIS_HTTPSTYLE	0x080	/* http-style escape % hex hex */
-#define	VIS_MIMESTYLE	0x100	/* mime-style escape = HEX HEX */
-#define	VIS_HTTP1866	0x200	/* http-style &#num; or &string; */
-#define	VIS_NOESCAPE	0x400	/* don't decode `\' */
-#define	_VIS_END	0x800	/* for unvis */
+#define	VIS_NOSLASH	0x0040	/* inhibit printing '\' */
+#define	VIS_HTTP1808	0x0080	/* http-style escape % hex hex */
+#define	VIS_HTTPSTYLE	0x0080	/* http-style escape % hex hex */
+#define	VIS_MIMESTYLE	0x0100	/* mime-style escape = HEX HEX */
+#define	VIS_HTTP1866	0x0200	/* http-style &#num; or &string; */
+#define	VIS_NOESCAPE	0x0400	/* don't decode `\' */
+#define	_VIS_END	0x0800	/* for unvis */
+#define	VIS_GLOB	0x1000	/* encode glob(3) magic characters */
 
 /*
  * unvis return codes