SVG and MathML in text/html in Firefox and

I enabled SVG and MathML-related stuff recently on both mozilla-central and on

The HTML5 parser is now enabled by default on Firefox trunk aka. mozilla-central. Most notably for authors, this allows SVG and MathML to be used in text/html. Read more about it on Mozilla Hacks. now supports SVG and MathML validation in HTML5. This is now also the default. You can still go back and exclude SVG and MathML using the complex interface.

Both Firefox and use the same HTML5 parser implementation. There is currently one known bug in the SVG-in-text/html feature. The bug is currently blocking on spec bugs.