bug#29711: 25.2; mode-line distortion when using :box on mac os

[Adam Simpson <adam@adamsimpson.net>]

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Must be a issue on macos 10.12 then?

> On Dec 14, 2017, at 2:42 PM, Charles A. Roelli <charles@aurox.ch> wrote:
> 
>> From: Adam Simpson <adam@adamsimpson.net>
>> Date: Thu, 14 Dec 2017 14:27:56 -0500
>> 
>> The below is with emacs -Q.
>> Also, I left out a step, after step 2 move to the bottom of the document (M - >). The mode line will then become distorted. 
>> 
>> Apologies for the shoddy reporting.
>>> On Dec 14, 2017, at 2:28 PM, Charles A. Roelli <charles@aurox.ch> wrote:
>>> 
>>>> From: Adam Simpson <adam@adamsimpson.net>
>>>> Date: Thu, 14 Dec 2017 13:20:20 -0500
>>>> 
>>>> 
>>>> 1. Paste and then evaluate the following in the *scratch* buffer:
>>>> (set-face-attribute 'mode-line nil
>>>>                   :foreground "white"
>>>>                   :background "red" 
>>>>                   :box '(:line-width 5 :color "red"))
>>>> (setq-default mode-line-format (list 
>>>>             '(:eval mode-line-position)
>>>>             mode-line-modes))
>>>> 2. Open a long file that has thousands of lines. I used ivy.el which is
>>>> around 4k lines.
>>>> 
>>>> 3. Observe the mode-line is "distorted" like so: https://i.imgur.com/qxAsdfm.png
>>>> 
>>>> 
>>>> 
>>>> In GNU Emacs 25.2.1 (x86_64-apple-darwin16.6.0, NS appkit-1504.83 Version 10.12.5 (Build 16F73))
>>>> of 2017-08-09 built on d12frosted.local
>>> 
>>> Doesn't happen here on macOS 10.6.  (For a "long file", I used M-x
>>> find-library simple RET).  Could you please try from emacs -q?
> 
> Thanks.  I see "Bot L8984(Emacs-Lisp ElDoc)", as attached, but I don't
> see where the problem is.
> 
> <bug29711-1.png>


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