On Thu, Dec 09, 2004 at 03:37:48PM +0100, Radim Blazek wrote: > I want to merge WIND3 into WIND but then GRASS < 5.7 cannot read WIND > which was written in GRASS 5.7. Any idea? It seems that there are no objections. In any case the user can simply modify the WIND file and eliminate the additional lines if s/he wants to go back to an older GRASS release. Markus