bug#1164: 23.0.60; Doc strings of mode-name, mode-line-format and format-mode-line

[Eli Zaretskii]

> From: Glenn Morris <rgm@gnu.org>
> Cc: 1164@emacsbugs.donarmstrong.com
> Date: Tue, 14 Oct 2008 15:42:09 -0400
> 
> Better?
> 
>       This is usually a string, but can take any of the forms described for
>       `mode-line-format'.  Use `(format-mode-line mode-name)' to ensure a
>       string value.

Yes, much better, if that's the whole truth and nothing but the truth.
Is it?