1*3a92d97fSJulio Merinodnl $OpenBSD: src/regress/usr.bin/m4/patterns.m4,v 1.4 2003/06/08 20:11:45 espie Exp $ 2*3a92d97fSJulio Merinopatsubst(`quote s in string', `(s)', `\\\1') 3*3a92d97fSJulio Merinopatsubst(`check whether subst 4*3a92d97fSJulio Merinoover several lines 5*3a92d97fSJulio Merinoworks as expected', `^', `>>>') 6*3a92d97fSJulio Merinopatsubst(`# This is a line to zap 7*3a92d97fSJulio Merino# and a second line 8*3a92d97fSJulio Merinokeep this one', `^ *#.* 9*3a92d97fSJulio Merino') 10*3a92d97fSJulio Merinodnl Special case: empty regexp 11*3a92d97fSJulio Merinopatsubst(`empty regexp',`',`a ') 12