Does anyone have a filter or some other trick for producing lists with custom markers? For example, I'd like to transform something like this:
P1. All men are mortal.
P2. Socrates is a man.
C. Socrates is mortal.
into an itemized list like this:
\begin{itemize}
\item[P1]
All men are mortal.
\item[P2]
Socrates is a man.
\item[C]
Scorates is mortal.
\end{itemize}
The best solution I've come up with is to format the list as a definition list, convert it to LaTeX, and replace the definition environment with the itemize environment. I suppose I could instead redefine the definition list environment, but that seems a bit heavy-handed.