3 define(`concat', `ifelse(1, $#, `$1', `$1` 'concat(shift($@))')')
4 traceon(`concat', `nargs')
12 concat(`hej', `med', `dig')
13 concat(`hej', `med', `dig', `en gang igen')
14 concat(an, awful, lot, of, argument, at, least, more, that, ten, silly, arguments)