Add cleanup for entities introduced by TinyMCE. Fixes issue #2
Add M:MROW check in AMremoveBrackets. Probably not needed anymore, but was for fixing issues with older IE versions. Issue #3
Add /_\ triangle symbol, issue #4
Change ** symbol to \u2217 and tex \ast.
Add *** symbol for \u22C6 and \star
Issue #6
Add cancel and color commands
Allow row vectors in matrix code.  Issue #11