WIP #1088: change submenu indicators to a more common Unicode point
WIP #1088: change submenu indicators to a more common Unicode point

thomasjm/MathJax,jinntrance/mathjax,GerHobbelt/MathJax,GerHobbelt/MathJax,thomasjm/MathJax,wikimedia/MathJax,thomasjm/MathJax,dpvc/MathJax,thomasjm/MathJax,jinntrance/mathjax,thomasjm/MathJax