Fri, 19 Aug 1994 15:36:23 +0200 wenzelm removed roots arg of extend_gram;
Fri, 19 Aug 1994 15:35:56 +0200 wenzelm minor cleanings;
Fri, 19 Aug 1994 15:35:38 +0200 wenzelm replaced id, var, tid, tvar by idT, varT, tidT, tvarT;
(0) -300 -100 -30 -10 -3 +3 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip