bug#34858: indent-relative called with prefix calls tab-to-tab-stop

[Eli Zaretskii]

> From: Alex <agrambot@gmail.com>
> Cc: alex.branham@gmail.com,  34858@debbugs.gnu.org
> Date: Thu, 14 Mar 2019 15:27:54 -0600
> 
> >> The usage of `beyond' does not change the behaviour when the starting
> >> column is on the first indent point, which outside of this special case
> >> is doing nothing.
> >
> > When there are previous lines to align with, yes.  But here there's
> > nothing before, so what is the justification for doing nothing?
> 
> I don't see the justification for calling `tab-to-tab-stop' since that
> behaviour would be surprising given that `tab-to-tab-stop' is otherwise
> called only if FIRST-ONLY is nil. I view FIRST-ONLY as meaning "this
> procedure will not indent past the first indent point"; in the case of
> no such point, I believe that doing nothing is the more reasonable
> action. Also,` indent-relative-first-indent-point' expects this
> behaviour.
> 
> If one wants `indent-relative' to call `tab-to-tab-stop' in the case of
> no previous non-blank line, then one could call it without the
> FIRST-ONLY/prefix argument.

I guess we will have to disagree, then.

Alex, feel free to start a discussion on emacs-devel regarding what to
do in this special case, it seems like there's a certain controversy.

Thanks.