Draft-for-what's-new-page.rest

@@ -82,6 +82,7 @@ Asciimath
 *   `#851 <https://github.com/mathjax/MathJax/issues/851>`__ Prevent leading space in quote from causing processing errors.
 *   `#431 <https://github.com/mathjax/MathJax/issues/431>`__ Fix handling of special characters in exponents.
 *   `#741 <https://github.com/mathjax/MathJax/issues/741>`__ Add underbrace macro.
+*   `#857 <https://github.com/mathjax/MathJax/issues/857>`__ Update AsciiMathML to 2.2; changes include `improve entity handling <https://github.com/mathjax/asciimathml/issues/2>`__, `add triangle macro <https://github.com/mathjax/asciimathml/issues/4>`__, `map ast to asterisk <https://github.com/mathjax/asciimathml/issues/6>`__, `allow input of row vectors <https://github.com/mathjax/asciimathml/issues/11>`__, `allow lamda <https://github.com/mathjax/asciimathml/issues/12>`__, `switch phi/varphi mapping <https://github.com/mathjax/asciimathml/issues/14>`__, `add underbrace macro <https://github.com/mathjax/asciimathml/issues/18>`__, `handle empty nodes better <https://github.com/mathjax/asciimathml/issues/24>`__, `add vector norm macro <https://github.com/mathjax/asciimathml/issues/26>`__, `improve @ macro <https://github.com/mathjax/asciimathml/issues/27>`
 
 MathML Handling
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