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help-echo from battery-mode-line-string fails

From: Dave Love
Subject: help-echo from battery-mode-line-string fails
Date: Mon, 20 Dec 2004 18:02:07 +0000
User-agent: Gnus/5.11 (Gnus v5.11) Emacs/21.2 (gnu/linux)

For some reason, the help-echo property on `battery-mode-line-string'
doesn't have an effect in the mode line.  It works in 21.3 and if you
insert the string in a buffer.  I can't see what's special about it.

By the way, battery.el should provide a minor mode that can be turned
on via Custom (using `display-battery').  I think it has to cancel the
timer and update global-mode-string when turning off the mode.

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