Support a subset of the Math Mode in BibTeX
Status: idea
There are standalone libraries that handle LaTeX to unicode mappings better than what pyblio does. For the moment, pyblio covers the basic latin-1 characters plus a few others.
Parser side
We must have an extra state in math mode in the parse tree, and pass it to the conversion functions.
Writer side
Hardest part: not duplicating the information between the reader and the parser. This is not completely obvious, as they work quite differently, and the parser must cope with multiple ways of encoding the same symbol.
