MathJax v3.1.1

This is a bug-fix release to address several issues that arose from the 3.1.0 release, particularly with the textmacros package for the TeX input jax. It also updates the Speech-Rule Engine to version 3.1.1.

Bugs Addressed in this release

• Fix issue with \textit, etc., not working with the textmacros extension enabled. (mathjax/MathJax#2514)
• Add 'smart quote' version of acute and grave accents in textmacros extension. (mathjax/MathJax#2526)
• Add missing support for \ref and \eqref in textmacros extension. (mathjax/MathJax#2528)
• Only ignore space following alphabetic control sequences in textmacros. (mathjax/MathJax#2527)
• Fix issue with textmacros causing incorrect display in SVG mode. (mathjax/MathJax#2524)
• Make sure configuration renaming is performed for *-full components. (mathjax/MathJax#2516)
• Handle AsciiMath configuration properly, in particular, displaystyle. (mathjax/MathJax#2520)
• Convert mu to em in CD environment. (mathjax/MathJax#2513)
• Fix autoload to handle macro or \begin followed by spaces. (mathjax/MathJax#2511)
• Update convert() to accept family parameter (mathjax/MathJax#2512)

Changes in Speech-Rule Engine

• Introduces handling of direct speech attributes like aria-label, alt, exact-speech.
• Handling of elements like mglyph if they contain a direct speech attribute.
• Allows floats as part of mixed numbers.
• A number of fixes to the Clearspeak and Nemeth rule sets.
• Fixes regression of SVG highlighter.