[Bug 1026871] math rendering using stix-fonts in Firefox is broken

bugzilla at redhat.com bugzilla at redhat.com
Fri Feb 21 08:29:38 UTC 2014


https://bugzilla.redhat.com/show_bug.cgi?id=1026871



--- Comment #7 from Nicolas Mailhot <nicolas.mailhot at laposte.net> ---
(In reply to Elliott Sales de Andrade from comment #6)
> (In reply to Nicolas Mailhot from comment #4) 
> > I read this as "browsers do not want to update their code to work with Stix
> > > 1.0"
> 
> No, MathJax asks for 1.0, and fontconfig gives it 1.1, which is
> incompatible. If MathJax had asked for *any* version, then it would be a bug
> in MathJax, but it didn't.

Sorry, that was a typo on my part. Should have written 1.1 here.

> > Well, this is a browser bug. Upstream stix changed to take into account issues reported after their .0 release, it fixed actual correctness bugs and problems indentified in big apps such as office suites, it took it months of work and there's not way upstream is going back now
> 
> Upstream does not ship these aliases. If you look at the release notes, you
> see that several glyphs have changed locations, making these fonts
> incompatible. The aliases are purely a Fedora thing.

I know that 1.1 has been restructured to fix various compatibility and spec
problems. The aliases are not expected to provide full compatibility because
you can only do so much at fontconfig level. But they are good enough for most
simple documents.

The point is, 1.0 stix structure is obsolete and dead upstream, it's high time
Mathjax adapted, and I won't create another TEX-like morass in Fedora with
piles of obsolete fonts kept around to help code that does not want to update
and does not feel the need to update because the obsolete parts are kept around
by distributors.

Stix upsteam was very clear when they released 1.0 that it was not finished and
that they would perform heavy changes in the near future. Mathjx had more than
three years to fix itself now.

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