Re: emacs -nw display bug?

[Eli Zaretskii]

> From: Joost Kremers <joost.m.kremers@gmail.com>
> Date: 30 Jun 2014 16:22:38 GMT
> 
> Eli Zaretskii wrote:
> >> From: Joost Kremers <joost.m.kremers@gmail.com>
> >> Date: 30 Jun 2014 15:57:09 GMT
> >> - (setq-local mode-line-format nil) ; disable the mode line in the current 
> >> window
> >
> > Don't do that.  Emacs display engine assumes that there always is a
> > mode line.
> 
> Then why does the Elisp manual say:
> 
> ,----
> |  -- User Option: mode-line-format
> |
> |      [...]
> | 
> |      If you set this variable to `nil' in a buffer, that buffer does not
> |      have a mode line.  (A window that is just one line tall also does
> |      not display a mode line.)
> `----

Because in some windows it does work.  Like minibuffer-only frames.

> And it does work fine in GUI Emacs.

GUI Emacs uses a different redisplay strategy.  But even there
disabling the mode line will get you in trouble, eventually.

Just say no.