===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/m4/m4.1,v
retrieving revision 1.61
retrieving revision 1.62
diff -u -r1.61 -r1.62
--- src/usr.bin/m4/m4.1	2014/01/12 09:33:32	1.61
+++ src/usr.bin/m4/m4.1	2014/04/14 07:00:47	1.62
@@ -1,4 +1,4 @@
-.\"	@(#) $OpenBSD: m4.1,v 1.61 2014/01/12 09:33:32 jmc Exp $
+.\"	@(#) $OpenBSD: m4.1,v 1.62 2014/04/14 07:00:47 jmc Exp $
 .\"
 .\" Copyright (c) 1989, 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -30,7 +30,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd $Mdocdate: January 12 2014 $
+.Dd $Mdocdate: April 14 2014 $
 .Dt M4 1
 .Os
 .Sh NAME
@@ -47,11 +47,9 @@
 .Op Fl d Ar flags
 .Op Fl I Ar dirname
 .Op Fl o Ar filename
-.Bk -words
 .Op Fl t Ar macro
 .Op Fl U Ns Ar name
 .Op Ar
-.Ek
 .Sh DESCRIPTION
 The
 .Nm
@@ -87,9 +85,7 @@
 .Pq Sq \en
 characters are ignored.
 To quote strings, use left and right single quotes
-.Po e.g.,\ \&
-.Sq "\ this is a string with a leading space"
-.Pc .
+.Pq e.g., Sq \ \&this is a string with a leading space .
 You can change the quote characters with the
 .Ic changequote
 built-in macro.
@@ -444,12 +440,12 @@
 .Sh STANDARDS
 The
 .Nm
-utility is mostly compliant with the
+utility is compliant with the
 .St -p1003.1-2008
 specification.
 .Pp
 The flags
-.Op Fl dgIot
+.Op Fl dgIPot
 and the macros
 .Ic builtin ,
 .Ic esyscmd ,
@@ -470,9 +466,13 @@
 is not supposed to be a synonym for
 .Ic mkstemp ,
 but instead to be an insecure temporary file name creation function.
-The change causes no known compatibility issues.
+It is marked by
+.St -p1003.1-2008
+as being obsolescent and should not be used if portability is a concern.
 .Pp
-The output format of tracing and of
+The output format of
+.Ic traceon
+and
 .Ic dumpdef
 are not specified in any standard,
 are likely to change and should not be relied upon.