Oh, I see, I thought you were talking a bug in the docs building system.
But if you write:
'http://example.com/foo.pl?foo=bar&reg=foobar'.
There is no problem whatsover. Since there is no ® here.
exactly :)
Since when unescaped & in the QUERY_STRING part of the URL are not allowed?
I dunno the specifics, but if you try using the w3c validator you end up with something like this
reference not terminated by REFC delimiter
<a href="http://example.com/foo.pl?foo=bar®=foobar";>is this valid?</a>
If you meant to include an entity that starts with "&", then you should terminate it with ";". Another reason for this error message is that you inadvertently created an entity by failing to escape an "&" character just before this text.
I swear last time I checked my own html there was a pointer to the appropriate rfc, but I guess not.
OK, in which case it must be some relatively recent change, since an unescaped & in the QUERY_STRING was a valid separator. A pointer to the relevant RFC would be nice so we can add that to the URL that started this thread.
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