First attempt at a "generalized" object notation: `?[title](url.ext =WxH)` gets its MIME type value vor the `type` attribute from the suffix in the URL.
(The `=WxH` parsing is still very picky, too picky IMO.)
VS 2003: Switched off `posc` project after building once. Don't pull an HTML file into the IDE (the VS2003 IDE was really irritated about it).