Andrew Moore 4ba5f2985d added POSIX regex to expr		1993-06-19 01:55:46 +00:00
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ed	POSIX ed version 0.6 by Andrew Moore (alm@netcom.com).	1993-06-18 13:00:14 +00:00
expr	added POSIX regex to expr	1993-06-19 01:55:46 +00:00