update the 2012 code parser to generate type=toc + prefix=? rather than type=?
make the 'type' element an attribute since it is not displayable content
for fixing the case of headers, use a newer parse of the West doc; also disable caching since I forget it's there
put caching back but test that the cache corresponds to the file we're processing
handling parsing problems for the 2014-08 Lexis doc