If measurements can't be taken in getHDW(), move the test elements to the document.body instead in hopes that it is visible.  Resolves issue #1353.
If measurements can't be taken in getHDW(), move the test elements to the document.body instead in hopes that it is visible.  Resolves issue #1353.

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