Moves posting code for keyboard triggered menus.
Moves posting code for keyboard triggered menus.

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