dnl @ ../doc/m4.texinfo:2620: Origin of test
dnl @ Copyright (C) 2006 Free Software Foundation
dnl @ This file is free software; the Free Software Foundation
dnl @ gives unlimited permission to copy and/or distribute it
dnl @ with or without modifications, as long as this notice
dnl @ is preserved.
define(`echo', `$#:$@:')
dnl @result{}
define(`hi', `HI')
dnl @result{}
changecom(`(',`)')
dnl @result{}
echo(hi)
dnl @result{}0::(hi)
changecom
dnl @result{}
changecom(`((', `))')
dnl @result{}
echo(hi)
dnl @result{}1:HI:
echo((hi))
dnl @result{}0::((hi))
changecom(`,', `)')
dnl @result{}
echo(hi,hi)bye)
dnl @result{}1:HI,hi)bye: