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bug#30182: Update
From: |
Eli Zaretskii |
Subject: |
bug#30182: Update |
Date: |
Wed, 24 Jan 2018 21:10:52 +0200 |
> Date: Wed, 24 Jan 2018 09:38:49 +0100
> From: martin rudalics <rudalics@gmx.at>
> CC: m.sujith@gmail.com, 30182@debbugs.gnu.org
>
> I asked the OP to
>
> Just to eliminate one possible cause: Does the bug disappear when you
> customize `mode-line-default-help-echo' to the default value of the
> 'string' alternative?
>
> and he answered that
>
> Yes, if that is done, then the crash doesn't happen.
OK, thanks.
> > So if using a string instead of a function the returns a string solves
> > the problem, then I guess we should try and understand why a function
> > causes the problem.
>
> Apparently because evaluating that function creates a timer.
You mean, mode-line-default-help-echo creates a timer? If it does, I
don't see where it does that.
> w3m.el, when creating a buffer for its purposes, does
>
> (setq mode-line-buffer-identification
> `(
> [...]
> (w3m-current-process
> "Loading..." ,(if (fboundp 'format-mode-line)
> '(:eval (w3m-modeline-title))
>
> where the latter contains
>
> (defun w3m-modeline-title ()
> [...]
> (condition-case nil
> (format-mode-line mode-line-format 1)
> (error "")))
> [...]
> (run-at-time 0.5 nil
> (lambda (buffer)
> (when (buffer-live-p buffer)
> (with-current-buffer buffer
> (setq w3m-modeline-title-timer nil))))
> (current-buffer)))))))
>
>
> But I haven't been able yet to trigger the crash from here.
What I don't understand is how is the above :eval form related to
mode-line-default-help-echo. They are both properties of parts of the
mode line, but how is that relevant to the issue at hand?
- bug#30182: Update, (continued)
- bug#30182: Update, Sujith, 2018/01/22
- bug#30182: Update, Eli Zaretskii, 2018/01/23
- bug#30182: Update, Sujith, 2018/01/23
- bug#30182: Update, Eli Zaretskii, 2018/01/23
- bug#30182: Update, Eli Zaretskii, 2018/01/23
- bug#30182: Update, martin rudalics, 2018/01/23
- bug#30182: Update, Eli Zaretskii, 2018/01/23
- bug#30182: Update, martin rudalics, 2018/01/24
- bug#30182: Update,
Eli Zaretskii <=
- bug#30182: Update, martin rudalics, 2018/01/24
- bug#30182: Update, martin rudalics, 2018/01/23
- bug#30182: Update, Eli Zaretskii, 2018/01/23
- bug#30182: Update, martin rudalics, 2018/01/24
- bug#30182: Update, Eli Zaretskii, 2018/01/24
- bug#30182: Update, martin rudalics, 2018/01/24
- bug#30182: Update, martin rudalics, 2018/01/27
- bug#30182: Update, Sujith, 2018/01/27
- bug#30182: Update, martin rudalics, 2018/01/28
- bug#30182: Update, Sujith, 2018/01/29