bug#56682: feature/improved-locked-narrowing 9dee6df39c: Reworked locked narrowing.

[Eli Zaretskii]

> Date: Fri, 03 Feb 2023 00:20:40 +0000
> From: Gregory Heytings <gregory@heytings.org>
> cc: 56682@debbugs.gnu.org, monnier@iro.umontreal.ca
> 
> By definition, this cannot be unsafe for any buffer, except those in which 
> long_line_optimizations_p is set.  So the worst that could possibly happen 
> is that Emacs would hang in some buffers in which 
> long_line_optimizations_p is set, which is not a regression: Emacs 28 and 
> earlier would have hanged under the same conditions.

Given the fanfare we announced the solution to long-line problems, the
above is precisely the definition of "not safe" from my POV.

> > Then please do.  This is one of a small number of issues whose 
> > resolution delays the pretest ATM.  Which is why I pinged you several 
> > times over the last month about it.
> 
> I know.  Unfortunately (or perhaps fortunately?) my time to hack on Emacs 
> is limited.

I'm sorry I have to insist, but does this mean you will be able to fix
these documentation issues in less than a week?  I don't think I can
wait any longer than that.

TIA