1dnl $FreeBSD: src/tools/regression/usr.bin/m4/args2.m4,v 1.2 2012/11/17 01:53:58 svnexp Exp $ 2dnl $OpenBSD: src/regress/usr.bin/m4/args2.m4,v 1.1 2008/08/16 09:57:12 espie Exp $ 3dnl Preserving spaces within nested parentheses 4define(`foo',`$1')dnl 5foo(( check for embedded spaces)) 6