Fix positioning when <mroot> is missing its second argument
Fix typo in EqnChunkDelay
Fix problem with extra space being added to class name (was causing mspace with background color to to show up properly)
Make EqnChunk smaller for mobile devices, and implement the chunk delay (inadvertantly left out)
Fix problem with \mathop adding invisible times when the following isn't what the operator is being applied to (e.g., an <mspace>, or a BIN or REL operator)
Remove unneeded semicolon in Firefox style parameter when width is specified
Make \dots produce mo with stretchy=false to correspond to the other mathchar0mo elements
Add U+2032 through U+2037 to the STIX characters that must come from the variants font; don't special case U+2032 in TeX input or STIX font tables.
Delete the loading data for preloaded files when they call loadComplete()
Fix problem with Firefox getting errors about not being able to make callbacks (it was due to Gecko passing an extra parameter to the funciton called by setTiemout)
A second try at fixing the FF callback error.  Had the null in the wrong place, and apparently null doesn't do it anyway (though I could have sworn it had worked in testing).  In any case, empty object for callback will work.
Add xmlns attribute for all browsers (not just Chrome), since Safari and IE seem also to leave it out
Make \ulcorner, etc. use more approprate unicode positions, and remap those positions to the locations in the MathJax_AMS fonts.
Another try at getting elements with text coming from multiple fonts to work properly.
Get size to work properly when style sets the font size
Get scaling correct when fontfamily is specified (need two spans so that fontsize can be multiplied by factor to adjust for scaling of math)
Fix typo that causes italics to be lost in some circumstances
Fix problem with size of tooltip box (needed to change the em and ex measurements to use height not width of test divs, since the direction was changed)
Fix SVG tooltip to be able to style the padding, to fix typo with name of SetData() method, and to make restarting work when it occurs within the tooltip.
Fix HTML-CSS tooltip to be work properly when a restart occurs within the tooltip.