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MathJax (LaTeX) rendering of Unicode doesn't work for PDF

MathJax renders mathematical characters (e.g. Unicode block 2200) the same as commands in the math environment. This works fine in Penflip's editor/preview, and of course it works for HTML download, but the PDF download simply ignores the extended characters. It also seems to ignore non-ASCII characters whether or not they're in math environment. I'm guessing this has to do with whatever (probably non-Unicode-compliant) LaTeX engine Penflip is using to produce the PDF.

Started by elizhenning Discussion started Mar 05, 2016