Fix an issue with how font data is printed for some user-defined size variants.
Fix an issue with how font data is printed for some user-defined size variants.

Khan/MathJax-dev,dpvc/MathJax-dev,Khan/MathJax-dev,dpvc/MathJax-dev,Khan/MathJax-dev,dpvc/MathJax-dev,dpvc/MathJax-dev,dpvc/MathJax-dev,Khan/MathJax-dev,Khan/MathJax-dev,dpvc/MathJax-dev,Khan/MathJax-dev