Frederic Wang 5a699ddc37 Bug 1664488: Disable various preferences for deprecated MathML features. r=emilio
This commit disables the following preference on all builds by default:

mathml.deprecated_style_attributes.disabled
mathml.deprecated_menclose_notation_radical.disabled
mathml.mathsize_names.disabled
mathml.mfrac_bevelled_attribute.disabled
mathml.deprecated_alignment_attributes.disabled
mathml.script_shift_attributes.disabled
mathml.xlink.disabled
mathml.mfrac_linethickness_names.disabled

In addition, the following one is disabled on all but mac platform,
where currently (macos catalina) STIXGeneral is still the only
pre-installed math font available:

mathml.stixgeneral_operator_stretching.disabled

For details, see the intent to unship threads:
https://groups.google.com/forum/#!topic/mozilla.dev.platform/LvQ13Hcaw8k
https://groups.google.com/forum/#!topic/mozilla.dev.platform/x_eQ3vn5iwc

Differential Revision: https://phabricator.services.mozilla.com/D89928
2020-09-24 08:46:17 +00:00
..