wok view flex/description.txt @ rev 11787

up graphviz dev and doc (2.28.0)
author Samuel Trassare <samuel_trassare@yahoo.com>
date Fri Feb 24 10:45:46 2012 -0800 (2012-02-24)
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1 Flex is a tool for generating scanners. A scanner, sometimes called a tokenizer,
2 is a program which recognizes lexical patterns in text.