bug#6830: widget-complete bad completions in :type 'file

[Eli Zaretskii]

> From: Stefan Monnier <monnier@iro.umontreal.ca>
> Cc: Chong Yidong <cyd@gnu.org>,  6830@debbugs.gnu.org
> Date: Mon, 05 Mar 2012 16:28:49 -0500
> 
> > Then it looks like my analysis was partially incorrect: I assumed that
> > the problem was with the value of `before_field', but it actually is
> > with the value of `field'.  (Same reason, though: sorting two items
> > whose keys compare equal.)
> 
> Ideally, the cursor position should not be considered as "in the
> boundary", so the boundary overlay should not be considered for
> determining `field'.
> For that, I'd guess that you'd want the boundary's marker to use the
> insertion type t.  But AFAIK, the code already sets its type to t.
> So I'm not sure what's going on, here.

I don't think I follow.  Can you elaborate on the role of the boundary
marker in this issue?