===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/m4/m4.1,v
retrieving revision 1.11
retrieving revision 1.12
diff -u -r1.11 -r1.12
--- src/usr.bin/m4/m4.1	2000/03/11 15:54:44	1.11
+++ src/usr.bin/m4/m4.1	2000/03/18 01:06:55	1.12
@@ -1,4 +1,4 @@
-.\"	@(#) $OpenBSD: m4.1,v 1.11 2000/03/11 15:54:44 espie Exp $
+.\"	@(#) $OpenBSD: m4.1,v 1.12 2000/03/18 01:06:55 espie Exp $
 .\"
 .\"
 .Dd January 26, 1993
@@ -9,6 +9,7 @@
 .Nd macro language processor
 .Sh SYNOPSIS
 .Nm m4
+.Op Fl g
 .Oo
 .Fl D Ns Ar name Ns Op Ar =value
 .Oc
@@ -46,7 +47,7 @@
 .Ic changequote
 built-in macro.
 .Pp
-Some built-ins don't make any sense without arguments, and hence are not
+Most built-ins don't make any sense without arguments, and hence are not
 recognized as special when not followed by an open parenthesis.
 .Pp
 The options are as follows:
@@ -65,6 +66,10 @@
 Add directory 
 .Ar dirname
 to the include path.
+.It Fl g
+Activate GNU-m4 compatibility mode.  In this mode, changequote with 
+two empty parameters deactivates quotes, translit handles simple character
+ranges (e.g., a-z) and regular expressions mimic emacs behavior.
 .Sh SYNTAX
 .Nm m4
 provides the following built-in macros.