OTOH, I've never really had any reason to learn any of them, even of the punctuation marks I use often, like the em-dash and so on. Besides which, anything other than dumb quotes looks odd in a sans-serif font, especially on something like a blog or LJ or whatever.
Incidentally, go read my tech rant. You're not the only one who has interoperability/accessibility problems at times... :D
Could be...
Incidentally, go read my tech rant. You're not the only one who has interoperability/accessibility problems at times... :D