CVSROOT: /sources/m4
Module name: m4
Changes by: Eric Blake <ericb> 07/10/09 20:10:46
Modified files:
. : ChangeLog
doc : m4.texinfo
modules : gnu.c
Log message:
Fix regexp regression of 2007-09-29.
* modules/gnu.c (substitute): Allow NULL buf when no
subexpressions were present.
(regexp): Handle \ escapes even with empty regex.
* doc/m4.texinfo (Regexp, Patsubst): Catch this bug.
Signed-off-by: Eric Blake <[EMAIL PROTECTED]>
CVSWeb URLs:
http://cvs.savannah.gnu.org/viewcvs/m4/ChangeLog?cvsroot=m4&r1=1.553&r2=1.554
http://cvs.savannah.gnu.org/viewcvs/m4/doc/m4.texinfo?cvsroot=m4&r1=1.113&r2=1.114
http://cvs.savannah.gnu.org/viewcvs/m4/modules/gnu.c?cvsroot=m4&r1=1.77&r2=1.78
