Subject: Re: /bin/sh and functions
To: Hubert Feyrer <hubert@feyrer.de>
From: Bruce Korb <bkorb@veritas.com>
List: tech-userlevel
Date: 05/25/2004 09:40:05 
Hubert Feyrer wrote:
> 
> On Tue, 25 May 2004, Klaus Heinz wrote:
> > Is the appended patch acceptable?
> 
> What does SUSv3 (etc.) say that unset should do?

"Unspecified" explicitly.  It may do either.  Most do not remove the function.
Use "unset -f"