On Sat, 24 Jun 2006, Taco Hoekwater wrote:

> Your macro is making the thing harder then needed, this
> works just as well:
> 
>      \starttext
>      \number\hexstringtonumber{1F}
>      \number\hexstringtonumber{f5}
>      \stoptext

Hello Taco,
thanks for your answer! (I mentioned Hans, because he is the author of
syst-con.tex)

Now I understand the meaning of the " character: interpret the following
number as hex-value. With this knowledge, my macro becomes as easy as this:
\def\HexToNum#1{\number"#1}
since I only need uppercase hex-values.

Thanks for your enlightenment!
Cheers, Peter

-- 
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