[whatwg] HTML5 doctypes incompatible with XHR if named entities present

Geoffrey Sneddon gsneddon at opera.com
Thu Nov 12 08:17:06 PST 2009

Aryeh Gregor wrote:
> On Thu, Nov 12, 2009 at 12:33 AM, Boris Zbarsky <bzbarsky at mit.edu> wrote:
>> I assume you meant "mostly" as in "most of the pages are well-formed", not
>> "pages are mostly well-formed", since the latter is useless, right?
>> I did a brief survey of obvious sites fitting those descriptions that I had
>> in my browser history at the moment. . . .
>> So either you're looking at a totally different dataset or "mostly" is a bit
>> of a stretch....
> I admit I didn't look closely.  At a guess, maybe the default
> WordPress skin(s) are valid XHTML, but custom skins are very popular
> for WordPress and those mostly aren't valid XHTML?  MediaWiki is
> unreasonably difficult to reskin, so that's not much of a problem for
> us . . .

Even with the default skin it's easy to break (e.g., search for U+FFFF). 
That'll be output to the page and make it not well-formed.

Geoffrey Sneddon — Opera Software

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