GNU bug report logs - #42347
Feature request: Visual block attribute for overlays

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Message #20 received at 42347 <at> debbugs.gnu.org (full text, mbox):

From: Drew Adams <drew.adams <at> oracle.com>
To: Gregory Heytings <ghe <at> sdf.org>
Cc: 42347 <at> debbugs.gnu.org
Subject: RE: bug#42347: Feature request: Visual block attribute for overlays
Date: Tue, 14 Jul 2020 07:48:47 -0700 (PDT)

> >> The previous behavior can be obtained with the ":extend t" face
> >> attribute.
> >
> > Only on an individual basis, right?  If you want to get the previous
> > behavior everywhere, do you need to change every overlay?
> 
> AFAIK, yes.
> 
> > Or is there an option for that?  If not, why not?
> >
> > And is there a way to get the previous behavior by default, and
> > something that does the opposite of `:extend' for individual cases
> > where you want the new behavior?  If not, why not?
> >
> 
> I don't know, but I do not see this as a problem.  After all, if one
> wants the previous behavior, only a handful of faces need to be updated.

Really?  That's what people thought at the beginning
of this change.  Then more popped up, one by one.

Why should a user, and not necessarily a lisper, need
to find and fix each such face - handful or not - to
get back the previous behavior, if that's what s?he
prefers?

> Apparently the new behavior was considered better.  The NEWS item about
> this (in NEWS.27) states:  "This is to make Emacs behave more like
> other GUI applications with respect to displaying faces that cross line
> boundaries."

Yes, I know the rationale.  It doesn't follow that
all, or even most, users feel the same way.

There are lots of outside-Emacs behaviors that we
don't impose as the default - let alone the only -
behavior in Emacs.

I'm not making an argument that users shouldn't be
able to get the new behavior, or even that the new
behavior should not have been adopted immediately
as the default (well...).  My argument is to make
it simple for users to switch behaviors.  Why not?

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