1dnl $OpenBSD: src/regress/usr.bin/m4/patterns.m4,v 1.4 2003/06/08 20:11:45 espie Exp $ 2patsubst(`quote s in string', `(s)', `\\\1') 3patsubst(`check whether subst 4over several lines 5works as expected', `^', `>>>') 6patsubst(`# This is a line to zap 7# and a second line 8keep this one', `^ *#.* 9') 10dnl Special case: empty regexp 11patsubst(`empty regexp',`',`a ') 12