>Now I cannot open that document in 1.6.5 - I just get an error message >about lyx2lyx failure: "the lyx2lyx script failed to convert it" > >The option to export to lyx-1.6.5 does nothing that I can discern (is it supposed to work?) >
Yes, it works. There should be a .lyx16 file next to the original .lyx file, which can be opened by LyX 1.6.5. Vincent