wok view flex/description.txt @ rev 20875

updated erlang (R15B01 -> 21.2.5)
author Hans-G?nter Theisgen
date Sat Feb 23 15:57:08 2019 +0100 (2019-02-23)
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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.