hello all, after on-and-off effort, I finally get context + omega working. The result is impressive. hat off to hans and idris samawi for their effort. omega is a tex version that support utf-8 input. it can be used to typeset arabic. here are some of the things I discovers that might be useful to others; my system: context 2003.1.31 omega 1.23.2.1 tetex 2.0 1. using the command texexec --make --alone --tex=omega en fail. you need to recompile omega. get tetex-src-2.0.tar.gz. I am not a programmer, but know enough to hack bit and pieces. also, I cannot assure whether it safe or not. but, it works. do the usual ./configure and make stuff. After finish, make changes to omegad.h; #define infmaxstrings ( 800000L ) #define supmaxstrings ( 900000L ) #define infmainmemory ( 8000000L ) recompile omega. this is the tricky part. the command I use; (the proper way to make changes is in the .ch files, but I have no idea what to change) gcc -DHAVE_CONFIG_H -I. -I. -I.. -I./.. -g -O2 -c omegaini.c gcc -DHAVE_CONFIG_H -I. -I. -I.. -I./.. -g -O2 -c omega0.c gcc -DHAVE_CONFIG_H -I. -I. -I.. -I./.. -g -O2 -c omega1.c gcc -DHAVE_CONFIG_H -I. -I. -I.. -I./.. -g -O2 -c omega2.c gcc -DHAVE_CONFIG_H -I. -I. -I.. -I./.. -g -O2 -c omegaextra.c gcc -DHAVE_CONFIG_H -I. -I. -I.. -I./.. -g -O2 -c omega.c gcc -DHAVE_CONFIG_H -I. -I. -I.. -I./.. -g -O2 -c omegabis.c gcc -DHAVE_CONFIG_H -I. -I. -I.. -I./.. -g -O2 -c omega3.c ./../klibtool link gcc -o omega omegaini.o omega0.o omega1.o omega2.o omegaextra.o omega.o omegabis.o omega3.o lib/lib.a ../kpathsea/libkpathsea.la -lm gcc -o omega omegaini.o omega0.o omega1.o omega2.o omegaextra.o omega.o omegabis.o omega3.o lib/lib.a ../kpathsea/STATIC/libkpathsea.a -lm 2. cp this 'omega' to 'bigomega' or whatever you like. 3. do texexec --make --alone --tex=bigomega en 4. you will get cont-en.oft. cp 'cont-en.oft' to 'bigomega.oft' 5. move the .oft format to the usual place. run 'texhash' 6. test. bigomega omtest.tex (* omtest.tex is from gamma.zip from idris ) or this simple file ====== test.tex======= \usemodule[gamma] \starttext \startarab A b t \section{\arab{A b t }} \stoparab \stoptext 6. you get test.dvi, do this to get pdf. odvisp -V -o test.ps test.dvi ps2pdf test.ps I am sure some of the steps can be simplified or corrected by the experts. I think you need to rename the new omega to avoid clash with the original omega. again, thanks to hans and idris. zamri