[Webkit-unassigned] [Bug 13136] spurrious glyphs in Google Israel and Gmail (all languages)

[bugzilla-daemon at webkit.org]

http://bugs.webkit.org/show_bug.cgi?id=13136





------- Comment #4 from mitz at webkit.org  2007-03-21 00:01 PDT -------
(In reply to comment #0)

> I'd be willing to give it a shot. If anyone can give a pointer or two, that
> would be great.

GlyphPageTreeNode::initializePage() replaces characters that should not render
with zero-width spaces for the 'simple' code path. For the 'complex' code path,
this feature isn't implemented yet (see comment in
ATSULayoutParameters::initialize(), which is probably where you'd add it).

I guess the question here is whether you want to make it impossible to display
those glyphs. Other browsers doing it is a strong argument for WebKit to do it
too (despite the inconsistency with the rest of Mac OS X).

Zero-width joiner and zero-width non-joiner should be handled the same as LRM
and RLM. What other characters are "default ignorable"?


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