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From: gwyn@smoke.BRL.MIL (Doug Gwyn)
Newsgroups: comp.unix.ultrix,comp.unix.questions
Subject: Re: Bug report for /bin/sh5 under ultrix 4.0
Message-ID: <13986@smoke.BRL.MIL>
Date: 1 Oct 90 07:19:54 GMT
References: <4052@umbc3.UMBC.EDU>
Followup-To: comp.unix.ultrix
Organization: U.S. Army Ballistic Research Laboratory, APG, MD.
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In article <4052@umbc3.UMBC.EDU> rouben@math9.math.umbc.edu () writes:
>An unintended side-effect of the execution of the function dummy is that
>it clears the shell variable $1 and $2.

Early versions of the Bourne shell with support for shell functions, for
example UNIX System V Release 2, also do this.  I don't know whether or
not this has been officially "fixed" in later versions of the Bourne
shell.  Some Bourne-compatible shells do seem to have it fixed.