[NTG-context] unic-033.tex and unic-034.tex

I wrote the arrow parts of vector 033 as well. Works OK. Comments welcome. I'd personally enjoy both being included in ConTeXt at some point. For some reason one needs to do the "\numexpr(x+1) \unknownchar \or ..." trick for things to work. Why?, nikolai -- Nikolai Weibull: now available free of charge at http://bitwi.se/! Born in Chicago, IL USA; currently residing in Gothenburg, Sweden. main(){printf(&linux["\021%six\012\0"],(linux)["have"]+"fun"-97);}