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[debbugs-tracker] bug#9543: closed (23.3.50; help-echo property)


From: GNU bug Tracking System
Subject: [debbugs-tracker] bug#9543: closed (23.3.50; help-echo property)
Date: Mon, 19 Sep 2011 14:05:05 +0000

Your message dated Mon, 19 Sep 2011 21:58:46 +0800
with message-id <address@hidden>
and subject line Re: bug#9543: 23.3.50; help-echo property
has caused the debbugs.gnu.org bug report #9543,
regarding 23.3.50; help-echo property
to be marked as done.

(If you believe you have received this mail in error, please contact
address@hidden)


-- 
9543: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9543
GNU Bug Tracking System
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--- Begin Message --- Subject: 23.3.50; help-echo property Date: Sun, 18 Sep 2011 21:59:39 +0800
1. Emacs -Q

2. eval
  (put 'x 'risky-local-variable t)
  (setq x '(:eval (propertize "x" 'help-echo (message "Wow"))))
  (push '("" x) global-mode-string)

3. Move point around and check how many Wow's are printed in *Messages*
   buffer

The form (message "Wow") is eval'd each time mode-line is updated even
though one didn't move mouse over the 'x' string on the mode-line.

If the help-echo property is a function, it is only called when one
moves the mouse over 'x'.

Why this difference?

Leo



--- End Message ---
--- Begin Message --- Subject: Re: bug#9543: 23.3.50; help-echo property Date: Mon, 19 Sep 2011 21:58:46 +0800 User-agent: Gnus/5.13 (Gnus v5.13) Emacs/23.3.50 (Mac OS X 10.6.8)
On 2011-09-19 20:57 +0800, Stefan Monnier wrote:
>>   (setq x '(:eval (propertize "x" 'help-echo (message "Wow"))))
>
> Hint: try to replace `help-echo' with `toto' and see what happens.
>
>
>         Stefan

Sorry for the noise. I missed a ' there.

Leo


--- End Message ---

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