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Issue created by Administrator@rootContributor

MathJax doesn't complete initialization in IE9 when in IE9 Standards mode

Created by: shogun70

  1. Using IE9 Platform Preview 5, visit http://mathjax.org/demos/tex-samples/
  2. The TeX equations remain unprocessed
  3. Use IE Developer tools to switch the page to IE9 mode - the equations are still unprocessed.

IE notifies of an error at around line 1815 in MathJax.js Specifically, there is a comparison (RegExp.$2 !== "") which seems always valid on other browsers, but not in IE9.