fix a few minor compatibility issues.

- let eval() handle a base and number of digits, like it's advertized to.
- in gnu-mode, undivert can take file names as arguments.
- in gnu-mode, map can handle reversed charsets.

Suggestions and okay otto@, mostly prompted by looking at the regress
tests in newer gnu-m4.

1 files changed, 3 insertions, 1 deletions

diff --git a/usr.bin/m4/extern.h b/usr.bin/m4/extern.h
index b8d87281ad8..2ee7924863d 100644
--- a/usr.bin/m4/extern.h
+++ b/usr.bin/m4/extern.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: extern.h,v 1.40 2005/03/02 10:12:15 espie Exp $	*/
+/*	$OpenBSD: extern.h,v 1.41 2005/05/29 18:44:36 espie Exp $	*/
 /*	$NetBSD: extern.h,v 1.3 1996/01/13 23:25:24 pk Exp $	*/
 
 /*-
@@ -55,6 +55,7 @@ extern void doprintlineno(struct input_file *);
 extern void doprintfilename(struct input_file *);
 
 extern void doesyscmd(const char *);
+extern void	getdivfile(const char *);
  
 
 /* look.c */
@@ -96,6 +97,7 @@ extern void 	initspaces(void);
 extern void	killdiv(void);
 extern void	onintr(int);
 extern void	pbnum(int);
+extern void	pbnumbase(int, int, int);
 extern void	pbunsigned(unsigned long);
 extern void	pbstr(const char *);
 extern void	putback(int);