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

[Artur Malabarba]

>> The same happens for double quotes. And it's not exlusive to elisp
>> mode (I tested fundamental and text modes as well).
>> I haven't managed to follow all of the quote-gate conversation, but
>> I'm assuming this is a bug, as I can't think of a situation where it
>> would be right to mask a double quote the user has explicitly typed.
>
> I cannot reproduce this.  What does the below say in that session?
>
>   M-: (char-displayable-p #x2018) RET

#<font-object "-unknown-Ubuntu
Mono-normal-normal-normal-*-13-*-*-*-m-0-iso10646-1">


And allow me to correct myself.
I tried this on latest master (with -Q) and the left quotation mark is
displayed as a grave accent (not as a hard quote). The right quotation
mark is displayed as a hardquote. And both left and right double
quotation marks are displayed as a hard double quote.