[Webkit-unassigned] [Bug 27413] Built-up (vulgar) fractions using the Unicode fraction slash (or other methods) not supported

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=27413





--- Comment #4 from Alex Milowski <alex at milowski.com>  2009-09-20 17:14:54 PDT ---
(In reply to comment #3)
> I am not sure I understand why you think following Unicode would be incorrect.
> In any case, that does not matter if it would be too onerous.

Because you are suggesting the before and after characters have their font size
changed without a wrapping inline.  That is certainly more than kerning two
characters.  Also, to make this work, the baseline of the before and after
characters would have to change.  That also seems more than normal placement
of line boxes for character glyphs.  The attachment point of the before and
after characters would most certainly have to be special cased.

> Please note (as mentioned in [1] linked to in the original bug report) that the
> example of a bevelled fraction in the MathML specification (added as an
> attachment) does not suggest that
>         <mfrac bevelled='true'/>
> (MathML uses British spelling, apparently) should be rendered as a vulgar
> fraction.

That's just a suggestion and used to show how a much more complicated
fraction could be rendered.  I think it is perfectly reasonable to have a
single
fraction render close, if not exact, as you'd want.

Since I'm working on the MathML stuff, your request is a reasonable goal for
simple fractions involving numbers.

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