Chris Rowley writes: > > which is the important bit? which is the "unique public de facto > > archival and communication language", exactly? > > You forgot > > 6 None of the above You are ducking the (semi-serious) issue. What *do* you mean by the archival and communication language? the fact that the word "TeX" is recognized by mathematicians the world over? so long as they don't try to exchange files.... In case anyone thinks I am just being cynical, my personal interests are 1) and 5), and the rest can go overboard.... Sebastian