patterns.m4 revision 303975 
150477Speterdnl $FreeBSD: releng/11.0/usr.bin/m4/tests/patterns.m4 234852 2012-04-30 22:00:34Z bapt $
25540Sugendnl $OpenBSD: src/regress/usr.bin/m4/patterns.m4,v 1.4 2003/06/08 20:11:45 espie Exp $
3156813Srupatsubst(`quote s in string', `(s)', `\\\1')
4156813Srupatsubst(`check whether subst
5240494Sglebiusover several lines
670711Sobrienworks as expected', `^', `>>>')
740440Speterpatsubst(`# This is a line to zap
8134346Sru# and a second line
9220124Saekeep this one', `^ *#.*
10200636Sluigi')
11227085Sbzdnl Special case: empty regexp
1270711Sobrienpatsubst(`empty regexp',`',`a ')
1345872Speter