wok view flex/description.txt @ rev 23399

updated perl-test-number-delta (1.03 -> 1.06)
author Hans-G?nter Theisgen
date Tue Mar 31 17:34:32 2020 +0100 (2020-03-31)
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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.