I'm using the LaTeX bundle from SVN, updated daily (currently at r8019). One of my documents has the following line of text, which causes the syntax highlighting to misfire:
\textbf{Top row} - Manifold Pressure (`` HG) and Fuel Pressure ($ \mathrm{lb/in^{2}}$).\
The fact that the quotes are not closed seems to be the problem. But, I believe this is a perfectly legal usage, if you want to use an abbreviation for "inches".
Kevin Horton Ottawa, Canada