Originally Posted by kovidgoyal
your much better off keeping the original files, editing them and regenerating the LRF. Since LRF isn't designed to be an archival format, there isn't much point in developing a lrf2lrs tool for anything other than reverse-engineering.
The problem is I don't _have_ the original files for the books I'm editing. (If I did, it'd be no problem to re-make them.