Gunnar wrote: > I'm using Linux and if I open two LyX documents, I can't copy and paste > between the two windows.
I guess you mean two LyX instances? In this case it is indeed not possible. If you open both documents in the same LyX instance, you can copy everything with C-c and C-v. > I can select text in other windows and paste it by a mouseclick in a LyX > window. > Why can't I copy/paste between the LyX windows? Because it has not been implemented. Georg