dnl @ ../doc/m4.texinfo:774: 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.
`quoted text' # `commented text'
dnl @result{}quoted text # `commented text'
`quoting inhibits' `#' `comments'
dnl @result{}quoting inhibits # comments