Re: longlines-show-hard-newlines sets modified flag

[Stefan Monnier]

>> I guess so, yes.  It avoids the `force-mode-line-update' that's implict
>> in set-buffer-modified-p.

> Then I'll rather leave them alone.  Better see the new
> line and coulmn numbers immediately ;-)

Indeed, if you do want to update the mode-line, then you might as well
use set-buffer-modified-p, but then please add a short comment about it,
like

  (set-buffer-modified-p mod)   ; and update the mode line.


-- Stefan