> If the file is wrapped, then it would be unpacked in the temporary > directory: wrapping is essentially just an extension of compression. If it's > not wrapped, then of course it doesn't need to be unpacked.
Now, here comes another surprise. Currently, when we have a compressed file, we open it directly with lyx. Are you saying you are chaning this behavior? I mean, where will you put your filename.lyxdir? The temp directory or the document directory? Bo