CVSROOT: /sources/m4
Module name: m4
Branch: branch-1_4
Changes by: Eric Blake <ericb> 06/07/13 22:09:54
Index: doc/m4.texinfo
===================================================================
RCS file: /sources/m4/m4/doc/m4.texinfo,v
retrieving revision 1.1.1.1.2.40
retrieving revision 1.1.1.1.2.41
diff -u -b -r1.1.1.1.2.40 -r1.1.1.1.2.41
--- doc/m4.texinfo 13 Jul 2006 21:16:41 -0000 1.1.1.1.2.40
+++ doc/m4.texinfo 13 Jul 2006 22:09:54 -0000 1.1.1.1.2.41
@@ -2445,7 +2445,12 @@
You should note that using @code{changeword} will slow @code{m4} down
by a factor of about seven, once it is changed to something other
-than the default regular expression.
+than the default regular expression. You can invoke @code{changeword}
+with the empty string to restore the default word definition, and regain
+the parsing speed.
+
+The builtin macro @code{changeword} is recognized only when given
+arguments.
@node M4wrap
@section Saving input
