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bug#27202: 26.0.50; Eldoc mode is broken


From: Stephen Berman
Subject: bug#27202: 26.0.50; Eldoc mode is broken
Date: Sat, 03 Jun 2017 01:21:21 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/26.0.50 (gnu/linux)

On Sat, 3 Jun 2017 02:05:49 +0300 Dmitry Gutov <address@hidden> wrote:

> On 6/3/17 1:47 AM, Stephen Berman wrote:
>
>>> Boostrapping latest master didn't fix it here.
>>
>> I manually reverted this part of 2349f1df1b:
>
> So basically all of it.
>
>> -(define-minor-mode global-eldoc-mode
>> -  "Toggle Global Eldoc mode on or off.
>> -With a prefix argument ARG, enable Global Eldoc mode if ARG is
>> -positive, and disable it otherwise.  If called from Lisp, enable
>> -the mode if ARG is omitted or nil, and toggle it if ARG is ‘toggle’.
>> -
>> -If Global Eldoc mode is on, `eldoc-mode' will be enabled in all
>> -buffers where it's applicable.  These are buffers that have modes
>> -that have enabled eldoc support.  See `eldoc-documentation-function'."
>> +(define-globalized-minor-mode global-eldoc-mode eldoc-mode 
>> turn-on-eldoc-mode
>>     :group 'eldoc
>> -  :global t
>>     :initialize 'custom-initialize-delay
>> -  :init-value t
>> -  (setq eldoc-last-message nil)
>> -  (if global-eldoc-mode
>> -      (progn
>> -    (add-hook 'post-command-hook #'eldoc-schedule-timer)
>> -    (add-hook 'pre-command-hook #'eldoc-pre-command-refresh-echo-area))
>> -    (remove-hook 'post-command-hook #'eldoc-schedule-timer)
>> -    (remove-hook 'pre-command-hook #'eldoc-pre-command-refresh-echo-area)))
>> +  :init-value t)
>>
>> then rebuilt Emacs (just make, not bootstrap), and now Eldoc in the
>> modeline works here again.
>
> Do you have an explanation why one version of the code works, and another
> doesn't?

No, I don't really know anything about how define-globalized-minor-mode
works, or Eldoc either, for that matter.

Steve Berman





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