Re: Fill column indicator functionality

[Ergus <spacibba@aol.com>]

On Sun, Apr 07, 2019 at 09:31:28PM +0300, Eli Zaretskii wrote:
>> Date: Sun, 7 Apr 2019 20:19:25 +0200
>> From: Ergus <spacibba@aol.com>
>> Cc: emacs-devel@gnu.org
>>
>> I have been testing all the latest changes with the display-fci-mode and
>> I have just found that the display-fill-column-indicator variable (and
>> the others) are not buffer local anymore after the latest changes. So I
>> cannot enable the mode for some buffers and not for others.
>>
>> As in display-line-numbers this works because there are still the
>> Fmake_variable_buffer_local (Qdisplay_line_numbers); I tested
>> customize-variable for display-line-numbers variables and it looks like
>> setting in that way doesn't work as it was happening to
>> display-fill-column-indicator yesterday.
>
>Sorry, I don't think I understand what you are saying here.  I see
>that the display-fill-column-indicator variables aren't made
>buffer-local in xdisp.c; why not?  Would doing that solve the problem?
>
>And what do you mean by "it looks like setting in that way doesn't
>work as it was happening to display-fill-column-indicator yesterday"?
>What did you try, and what didn't work? and why are you talking about
>display-line-numbers and display-fill-column-indicator intermittently?
>
>> If I set any of those with set-variable it works. So it is exactly the
>> same problem I had on yesterday.
>
>I thought yesterday's problem was that customize-variable didn't work
>at all.
>
>> So the problem seems to be somewhere else. Any suggestion?
>
>What problem are we talking about?  I'm confused.


Hi Eli:

Try customize-variable RET display-line-numbers-mode RET

And set it for current session. It does nothing, the problem is with
customize-variable. All the rest was fine.