[Webkit-unassigned] [Bug 79274] Fix <msubsup> formatting, especially for a tall base, subscript, or superscript

Mon Feb 27 12:32:48 PST 2012

https://bugs.webkit.org/show_bug.cgi?id=79274

--- Comment #30 from Dave Barton <dbarton at mathscribe.com>  2012-02-27 12:32:48 PST ---
(From update of attachment 128924)
View in context: https://bugs.webkit.org/attachment.cgi?id=128924&action=review

>> Source/WebCore/rendering/mathml/RenderMathMLSubSup.cpp:152
>> +    // possibility.
> 
> Don't need to mention me (though I like the thought :)). We usually don't mention people in FIXMEs: people change, FIXME usually don't. Here it could be:
> 
> // FIXME: We should ASSERT that |subscript| and |superscript| are really the renderers we want (for example generated content could change our hierarchy and confuse us).

I don't really understand this, sorry. If the user (web page CSS) created some generated content and it somehow showed up here, shouldn't we just interpret it as a base or subscript or superscript, which is presumably what the user intended? The MathML spec does not prohibit this.

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