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From:	nicolas AT jupiter DOT ceng DOT cea DOT fr (Eric NICOLAS)
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: Question about GNU
Date:	14 Nov 1995 13:38:48 GMT
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> What are Bison and flex?. What is it they do?
> Is very necessary install GRX library or not?


Bison and flex are utilities to generate code (in C) for lexical and
syntaxic analysers. There are usefull only if you want to implement
a new language or a grammar (for interpreting mathematical expression
for example).

GRX library will be usefull if you want to use djgpp in graphics mode.
With it you will have all the materials to draw lines, boxes, characters
in any graphic mode (unless you don't have the good driver for your
graphic card).

Eric.

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