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dnl @ ../doc/m4.texi:2019: Origin of test
dnl @ expected status: 0
dnl @ extra options:
dnl @ Copyright (C) 2006, 2007, 2008, 2009 Free Software
dnl @ Foundation, Inc.
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(`nargs', `$#')
dnl @result{}
nargs
dnl @result{}0
nargs()
dnl @result{}1
nargs(`arg1', `arg2', `arg3')
dnl @result{}3
nargs(`commas can be quoted, like this')
dnl @result{}1
nargs(arg1#inside comments, commas do not separate arguments
still arg1)
dnl @result{}1
nargs((unquoted parentheses, like this, group arguments))
dnl @result{}1
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