At 01:29 03/01/2004, you wrote:
>I would like to know how I may use extended ascii characters in context,
>for example character number 167.
>Thanks in advance
normally this is handled by font encoding and input regimes
if you want to directly access a char, how about:
\definesymbol[whatever][\getglyph{...}{167}]
see symb-*.tex for examples
Hans