bug#20926: 25.0.50; Quotation marks always display as hard quotes

[Artur Malabarba <bruce.connor.am@gmail.com>]

Also, any idea why it would be mode-dependant?

2015-06-29 16:38 GMT+01:00 Artur Malabarba <bruce.connor.am@gmail.com>:
> I see, so it was a bug within the bug... :)
>
> 2015-06-29 16:32 GMT+01:00 Eli Zaretskii <eliz@gnu.org>:
>>> Date: Mon, 29 Jun 2015 16:22:49 +0100
>>> From: Artur Malabarba <bruce.connor.am@gmail.com>
>>> Cc: 20926@debbugs.gnu.org
>>>
>>> 2015-06-29 16:10 GMT+01:00 Artur Malabarba <bruce.connor.am@gmail.com>:
>>> >> Go to that left quotation mark on the decomposition line, and type
>>> >> "C-u C-x =".  That should give you a hint about what's going on there.
>>>
>>> Here's the output of doing that.
>>
>> I knew how it will look, I wanted _you_ to see it. ;-)
>>
>> This is the crucial part:
>>
>>> Composed by the rule:
>>> #         v Round
>>> (TAB ?” TAB)
>>
>> That's why this displays differently: it uses a composition rule,
>> which makes the display engine take a different path through the code.
>>
>> This means that there's a hole in our machinery that takes care of
>> terminals incapable of displaying these characters: that machinery
>> doesn't catch auto-composed characters.
>>
>> This doesn't explain why you see the original problem, but it should
>> explain why "C-u C-x =" shows the Unicode characters nonetheless.