[webkit-dev] HTML5 Parsing & MathML

[James Simonsen]

On Tue, Nov 2, 2010 at 10:17 AM, Adam Barth <abarth at webkit.org> wrote:

> On Tue, Nov 2, 2010 at 9:52 AM, David Carlisle <d.p.carlisle at gmail.com>
> wrote:
> > On 2 November 2010 16:26, Adam Barth <abarth at webkit.org> wrote:
> >> On Tue, Nov 2, 2010 at 7:55 AM, David Carlisle <d.p.carlisle at gmail.com>
> wrote:
> >>> Alex Milowski <alex <at> milowski.org> writes:
> >>>
> >>> sorry for late reply, I'm not subscribed, just saw this in the
> archives.
> >>>
> >>>>
> >>>> On Fri, Oct 1, 2010 at 12:52 PM, Adam Barth <abarth <at> webkit.org>
> wrote:
> >>>> > Our parser follows the spec (modulo late-breaking spec changes that
> we
> >>>
> >>> Actually most mathml in the wild will be mis-parsed by the webkit html5
> parser
> >>> because of
> >>>
> >>> https://bugs.webkit.org/show_bug.cgi?id=48105
> >>>
> >>> but that's hopefully a temporary glitch.
> >>
> >> Is this a bug in the HTML5 specification or a bug in our
> >> implementation of the spec?  If its the former, you might want to file
> >> a bug with the HTML working group to resolve the issue.
> >>
> >> Adam
> >
> > I'm pretty sure that it is an implementation issue (firefox 4 doesn't
> > have this problem for example). Certainly I can't see anything that
> > would specify parsing something as simple as
> >
> >
> > <math>
> > <mrow>
> > <mrow><mn>1</mn></mrow>
> > <mi>a</mi>
> > </mrow>
> > </math>
> >
> > as a completely different tree:
> >
> > <math> <mrow> <mrow><mn>1</mn></mrow></mrow> <mi>a</mi> </math>
> >
> > It makes mathml and svg pretty unusable of course as it's common (very
> > common in mathml case) to have elements nested within an element of
> > the same name.
>
> Okiedokes.  I've CCed Eric and myself on the bug since we're the
> mostly likely folks to fix the issue.  We'd certainly welcome a patch
> from you, if you're interested in fixing the issue.


This is my bug from the new handling of foreign content mode. I'll upload a
patch shortly.

James
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