Am 04.10.2011, 22:41 Uhr, schrieb Andrei Alexandrescu <SeeWebsiteForEmail at erdani.org>: > does -in mean --in or -i -n? This case must be prohibited and exorcised. You should decide to either use bundling of -i -n to -in *or* use single dash long arguments. DMD does *not* allow -wv for example although both letters are valid single-letter options.