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+% More on the Architecture of math.kleen.org
+
+It's been more than a month since the last post here. Sorry about that. But I
+have now implemented a nice and fancy new feature for math.kleen.org, namely
+theorem environments:
+<thm>
+This could be your theorem here!
+</thm>
+<cor>
+Some theorems come with corollaries.
+</cor>
+How these work ties in quite well with describing how LaTeX formulas are
+converted to SVG for display in your browser. For example:
+$$
+\int_{\partial M}\omega = \int_M\dd\omega
+$$
+
+Both these features are accomplished via extensive processing with
+[Pandoc](http://en.wikipedia.org/wiki/Pandoc). For converting LaTeX snippets
+into SVG, I have a little Haskell program that takes Pandocs native format,
+extracts all math snippets and compiles them with latex and dvisvgm. This
+program sits in the build subdirectory in
+<https://github.com/vkleen/math.kleen.org>.
+
+For the theorem environment I patched the Markdown reader to convert mock HTML
+tags like `<thm>` or `<cor>` into proper HTML. That way I can also retain the
+possibility of converting posts into LaTeX and make PDFs out of them.
+
+I'm not sure whether I will continue documenting this software like that. But if
+I ever write a redo replacement there will probably a few posts on the process.