Added TODO for math branch notes.

git-svn-id: https://pandoc.googlecode.com/svn/trunk@1110 788f1e2b-df1e-0410-8736-df70ead52e1b

TODO

@@ -0,0 +1,12 @@
+- Split TeX block into Math and TeX
+- in markdown reader, use one or the other depending on type
+- in HTML writer (etc.), ignore TeX blocks, print Math blocks verbatim.
+- detect .htex output extension; use html writer with --gladtex option
+- new options:
+  --gladtex -- put math btw tags <EQ> </EQ>
+        (put these in directory with name based on html file)
+  --mimetex OPT -- <img src="/cgi-bin/mimetex.cgi?f(x)=\int_{-\infty}^xe^{-t^2}dt" alt="" border=0 align=middle>
+     OPT specifies path to mimetex.cgi?, defaults to /cgi-bin/mimetex.cgi
+- document this
+
+