bug#24861: [PATCH] Fix annoying "Parsing...done" message in c++-mode

[Hong Xu <hong@topbug.net>]

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On 2016-11-03 Thu 11:43 GMT-0800, Hong Xu <hong@topbug.net> wrote:

> On 2016-11-03 Thu 11:15 GMT-0700, Eli Zaretskii <eliz@gnu.org> wrote:
>
>>> From: Hong Xu <hong@topbug.net>
>>> Cc: 24861@debbugs.gnu.org
>>> Cc: Andreas Schwab <schwab@linux-m68k.org>
>>> Date: Wed, 02 Nov 2016 16:34:22 -0700
>>>
>>> On 2016-11-02 Wed 13:21 GMT-0700, Eli Zaretskii <eliz@gnu.org> wrote:
>>>
>>> > (Not that I understand why this particular message needs to be
>>> > customizable.)
>>>
>>> Because the messages by cpp.el is so frequent that it often competes
>>> with other useful information.
>>
>> Yes, but we have lots of similar messages in other places.  A search
>> for a call to 'message' that displays "SOMETHING...done" turns up more
>> than 270 hits.  Why is this particular package being singled out?
>
> It was not me who singled out this particular package; it was singled
> out before, with the frequency hard coded to be 1 second. I just made it
> more flexible and correct a misused plain `message'.
>
>>
>> Also, what useful information does it conceal?  Can you show a use
>> case where this happens?
>
> I've never seen how these information can be useful (ideally I would say
> concealing all these cpp-progress-message unless some debug option is
> turned on), but I'm probably not qualified enough to make such
> assertion.
>
> One annoying case is that I've set up to show the syntax error at point,
> but the "Parsing...done" message frequently comes in the way before I
> can read the message.

Can you still consider this patch?

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