Make horizontal stretchy characters use multiple extenders rather than CSS transform.  Issue #1326
Make horizontal stretchy characters use multiple extenders rather than CSS transform.  Issue #1326

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