wok view flex/description.txt @ rev 23173

updated mercurial (4.9.1 -> 5.3.1)
author Hans-G?nter Theisgen
date Wed Mar 18 10:22:51 2020 +0100 (2020-03-18)
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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.