>>>>> "Andre" == Andre Poenitz <[EMAIL PROTECTED]> writes: Andre> I had to use reLyX to import a document containing larger Andre> chunks wrapped in \begin{proof} and \end{proof}. Andre> reLyX translated everything to ERT, including the included Andre> math. I'd rather have \begin and \end in ERT and the stuff in Andre> between translated 'normally'. Andre> I ended up replacing \begin{proof} by \xbegin{proof}, reLyX'ing Andre> the document and changing xbegin back to begin in the .lyx Andre> file. Andre> Does anybody know of a simpler method? Something like reLyX -r proof myfile.tex You can also use a syntax file. JMarc