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

[Hong Xu]

On 11/18/2016 01:39 AM, Eli Zaretskii wrote:
>> From: Hong Xu <hong@topbug.net>
>> Cc: 24861@debbugs.gnu.org
>> Date: Tue, 15 Nov 2016 16:03:19 -0800
>>
>> Can you still consider this patch?
> 
> I'm okay with accepting this for the master branch, but the patch
> needs some more work to fix the following issues:
> 
>  . The first line of each doc string should be a complete sentence.
>  . The doc string of cpp-progress-message should mention
>    cpp-message-min-time-interval.
>  . The defcustom you are adding should have a :version tag.
>  . The calculation in cpp-progress-message should be fixed to
>    calculate the time difference between the current time and the time
>    of the previous progress message, and compare that with the value
>    of cpp-message-min-time-interval.  The old code just looked at the
>    2nd member of the list returned by current-time, but that is no
>    longer TRT when you need to compare the time difference, because
>    that member can go back to zero.  You need to use time-subtract.
>  . Last, but not least: please include ChangeLog-style commit log
>    message for the changes.
> 

Allow users to customize the maximum frequency that
`cpp-progress-message' prints messages.

        * progmodes/cpp.el (cpp-message-min-time-interval)
        (cpp-progress-message): Add variable
        `cpp-message-min-time-interval' to indicate the minimum time
        interval in seconds that `cpp-progress-message' prints messages.

        * progmodes/cpp.el (cpp-progress-time): Initialize to '(0 0 0 0) 
instead of
        0 and improve the documentation.

        * progmodes/cpp.el (cpp-highlight-buffer): Use
        `cpp-progress-message' instead of `message'.


Thanks.

cpp-message.patch
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