bug#48409: Text runs away before user can copy it

[Eli Zaretskii <eliz@gnu.org>]

> From: Juri Linkov <juri@linkov.net>
> Cc: eliz@gnu.org,  jidanni@jidanni.org
> Date: Fri, 14 May 2021 20:58:24 +0300
> 
> I vaguely remember a feature that clicking on the echo area
> pops up the *Messages* buffer with the recent messages
> at the end of the *Messages* buffer.  So Jidanni could just click
> on the shell output in the echo area, and copy the complete output
> from the displayed *Messages* buffer.
> 
> But this feature doesn't work anymore.  Searching the source code
> indicates that such a feature existed before.  In minibuffer.el:
> 
> (defvar minibuffer-inactive-mode-map
>   (let ((map (make-keymap)))
>     ...
>     (define-key map [mouse-1] 'view-echo-area-messages)
> 
> But now clicking mouse-1 reports an error.

It reports an error because it doesn't invoke view-echo-area-messages.

Alan, this minibuffer-inactive-mode-map thing doesn't seem to work
with mouse clocks, please take a look.