Sevan Janiyan c5ca929f63 Document origins of expr & authors ...

http://minnie.tuhs.org/cgi-bin/utree.pl?file=PWB1/usr/man/man1/expr.1

PR:		173979
Approved by:	bcr (mentor)
MFC after:	5 days
Differential Revision:	https://reviews.freebsd.org/D8104

2016-10-05 19:26:35 +00:00

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tests

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expr.1

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expr.y

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Makefile

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Makefile.depend

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