bug#16395: Tab-containing lines displayed with different background?

[Jarosław Rzeszótko]

By the way, this happens with any background color, not just this
particular one.

Cheers,
Jarosław Rzeszótko

2014/1/9 Jarosław Rzeszótko <sztywny@gmail.com>:
> Hi,
>
> It's #141414 vs #151515, might not be easy to notice depending on
> display/brightness/contrast/..., but you can zoom in and probe with
> Gimp or something and you will see that, for example, the first line
> has a #141414 background, and the second one with the hard tabs a
> #151515. It's pretty strange because there don't seem to be any
> overlays or anything of this kind.
>
> Cheers,
> Jarosław Rzeszótko
>
> 2014/1/9 Eli Zaretskii <eliz@gnu.org>:
>>> Date: Thu, 9 Jan 2014 14:53:08 +0100
>>> From: Jarosław Rzeszótko <sztywny@gmail.com>
>>> Cc: 16395@debbugs.gnu.org
>>>
>>> 1. I start emacs with "emacs -Q"
>>>
>>> 2. I open up M-x customize-face[RET] default[RET]
>>>
>>> 3. I set the background to #151515, foreground to #ffffff, and "click" 
>>> "Apply"
>>>
>>> 4. M-x find-file[RET] ~/text.bar[RET]
>>>
>>> 5. I insert into the file some combination of empty lines, lines
>>> containing text, and lines containing hard tabs and text.
>>>
>>> 6. The result can be seen in the screenshot attached.
>>
>> Sorry, but I see only one background color on the image, not two.  All
>> the lines of text and empty lines have the same background.  Am I
>> missing something?