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From: Eli Zaretskii <eliz@gnu.org>
Newsgroups: gmane.emacs.devel
Subject: Re: Effect of deletions on indirect buffers (Bug#8219)
Date: Sat, 12 Mar 2011 11:01:45 +0200
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To: Stefan Monnier <monnier@iro.umontreal.ca>
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> From: Stefan Monnier <monnier@iro.umontreal.ca>
> Cc: Chong Yidong <cyd@stupidchicken.com>,  8219@debbugs.gnu.org,  emacs-devel@gnu.org
> Date: Fri, 11 Mar 2011 18:19:25 -0500
> 
> I.e. any place where we use BUF_PT on something else than
> current_buffer, we have a bug waiting to happen unless we know for sure
> that that buffer is not indirect.

It follows that BUF_PT, when used on other than the current buffer
should update PT if necessary, if that buffer is an indirect buffer,
before returning the value.  And the same with BUF_BEGV, BUF_ZV, etc.

Right?