escape punctuation;

ok deraadt@

src/lib/libc/stdlib/getopt.3

@@ -25,7 +25,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.\"	$OpenBSD: getopt.3,v 1.25 2003/06/02 20:18:37 millert Exp $
+.\"	$OpenBSD: getopt.3,v 1.26 2003/09/02 18:24:21 jmc Exp $
 .\"
 .Dd December 17, 2002
 .Dt GETOPT 3
@@ -129,7 +129,7 @@ encounters a character not found in
 .Fa optstring
 or if it detects a missing option argument,
 it returns
-.Sq ?
+.Sq \&?
 (question mark).
 If
 .Fa optstring
@@ -138,7 +138,7 @@ has a leading
 then a missing option argument causes
 .Sq \:
 to be returned instead of
-.Sq ? .
+.Sq \&? .
 In either case, the variable
 .Va optopt
 is set to the character that caused the error.
@@ -179,7 +179,7 @@ or detects
 a missing option argument it writes an error message to
 .Em stderr
 and returns
-.Ql ? .
+.Ql \&? .
 Setting
 .Va opterr
 to a zero will disable these error messages.

src/lib/libc/stdlib/getopt_long.3

@@ -1,4 +1,4 @@
-.\"	$OpenBSD: getopt_long.3,v 1.8 2003/06/02 20:18:37 millert Exp $
+.\"	$OpenBSD: getopt_long.3,v 1.9 2003/09/02 18:24:21 jmc Exp $
 .\"	$NetBSD: getopt_long.3,v 1.11 2002/10/02 10:54:19 wiz Exp $
 .\"
 .\" Copyright (c) 1988, 1991, 1993
@@ -183,7 +183,7 @@ in the location pointed to by
 These functions return
 .Sq \:
 if there was a missing option argument,
-.Sq ?
+.Sq \&?
 if the user specified an unknown or ambiguous option, and
 \-1 when the argument list has been exhausted.
 .Sh EXAMPLES

src/lib/libc/string/strmode.3

@@ -1,4 +1,4 @@
-.\" $OpenBSD: strmode.3,v 1.10 2003/06/02 20:18:38 millert Exp $
+.\" $OpenBSD: strmode.3,v 1.11 2003/09/02 18:24:21 jmc Exp $
 .\"
 .\" Copyright (c) 1990, 1991, 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -69,7 +69,7 @@ FIFO
 socket
 .It w
 whiteout
-.It ?
+.It \&?
 unknown inode type
 .El
 .Pp