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TexvcTexvc (TeX validator and converter) is a program which validates AMSLaTeX math expressions and converts them to HTML, MathML, or PNG graphics. It is used by the MediaWiki wiki software to render mathematics. The aim is to allow a single syntax for math markup while allowing a range of output formats to be generated. Texvc is also designed to provide protection against cross-site scripting and other potential security holes. It also provides some extensions to AMSLaTeX, such as \codes for HTML math character entities (for example, Σ) which have different names in LaTeX. Texvc generates HTML based on three classes (as well as limited support for exporting to MathML): - Conservative: the code should look good and work well in most browsers.
- Moderate: the code should work and look good in reasonably modern browsers.
- Liberal: the code is HTML, but it is designed for very recent browsers, such as newer versions of Mozilla. While it should be legible, it might not look very good.
Texvc is written in OCaml and there also exists PHP code to integrate it with the rest of MediaWiki. It uses ImageMagick and Ghostscript to convert LaTeX's output to PNGs. Like the rest of MediaWiki, it is available under the terms of the GNU GPL from the MediaWiki site.
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