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Document origins of expr & authors

Browse Source 
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
This commit is contained in:
Sevan Janiyan 2016-10-05 19:26:35 +00:00
parent 1e73a8c171
commit c5ca929f63
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=306719
1 changed files with 17 additions and 1 deletions
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18
bin/expr/expr.1
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@ -30,7 +30,7 @@
.\"
.\" $FreeBSD$
.\"
.Dd February 25, 2012
.Dd October 5, 2016
.Dt EXPR 1
.Os
.Sh NAME
@ -309,3 +309,19 @@ these arguments are treated just as their respective string values.
The
.Fl e
flag is an extension.
.Sh HISTORY
An
.Nm
utility first appeared in the Programmer's Workbench (PWB/UNIX).
A public domain version of
.Nm
written by
.An Pace Willisson Aq Mt pace@blitz.com
appeared in
.Bx 386 0.1 .
.Sh AUTHORS
Initial implementation by
.An Pace Willisson Aq Mt pace@blitz.com
was largely rewritten by
.An -nosplit
.An J.T. Conklin Aq Mt jtc@FreeBSD.org .