> And most browsers can handle forgetting to put the URI in
> quotes, but they
> will get hopelessy confused when only one of the quote marks
> is missing.
    Netscape doesn't seem to mind, so my program shouldn't mind.  And if
it doesn't mind, then my program should also accept it.  But, since that
clearly is illegal according to the official standards, the official
standards are not a reliable guide to what my program must accept.