On 08/03/2011 18:40, Gerhard Fiedler wrote: > I've asked that before without answer... what's up with > ? > >> > Even if you can't read that repository 20 years from now, you can >> > find the software that can read it. > This is exactly the question. The other is whether this is a difference > in principle or in degree. I tend to think it is one of degree. > yes The claims of vcs and FOSS for 25 years are really more to do with=20 popularity than FOSS. With popular stuff it's more likely you can stiil use the documents. So Supercalc, Lorus, Excell spreadsheets OK But less known ones not. --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .