erik, You're reply and some reflection convinced me that my first approach is just wrong. I don't understand the next-to-last paragraph though. I tried creating gktbl and making the change you suggest to text.c, and it seems to work. Why does isalpharune() need changing?
Greg > i'm pretty sure that's wrong for reswords like "≥" or "and". > a font change would also change the appearance of existing > documents. my change also changes the appearance of > existing documents, but only those that use the relatively- > new unicode input. > > on the other hand, for Γ to be treated the same as G, > one would need a new table gktbl() that would be added > here > > /sys/src/cmd/eqn/text.c:85,91 > else if ((tp = lookup(restbl, p1)) != NULL) { > p = tp->cval; > } else { > + if (tp = lookup(gktbl, p1)) != NULL) > + p = p1 = tp->cval > lf = rf = 0; > lastft = 0; > nclass = NONE; /* get started with no class == no pad */ > csp = cs; > > one would also need to modifiy isalpharune to return > true for greek letters. or just use the system isalpharune. > i'm sure one could find a number of other bugs. > > the reason i didn't suggest this is because it changes old > documents. perhaps we should just take our lumps and > fix the problem. > > - erik