1 dnl $OpenBSD: src/regress/usr.bin/m4/patterns.m4,v 1.4 2003/06/08 20:11:45 espie Exp $
2 patsubst(`quote s in string', `(s)', `\\\1')
3 patsubst(`check whether subst
5 works as expected', `^', `>>>')
6 patsubst(`# This is a line to zap
8 keep this one', `^ *#.*
10 dnl Special case: empty regexp
11 patsubst(`empty regexp',`',`a ')