GNU bug report logs - #23425
master branch: `message' wrongly corrupts ' to curly quote.

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From: Dmitry Gutov <dgutov <at> yandex.ru>
To: Clément Pit-Claudel <cpitclaudel <at> gmail.com>, Alan Mackenzie <acm <at> muc.de>, Paul Eggert <eggert <at> cs.ucla.edu>
Cc: 23425 <at> debbugs.gnu.org, emacs-devel <at> gnu.org
Subject: bug#23425: master branch: `message' wrongly corrupts ' to curly quote.
Date: Wed, 7 Jun 2017 22:33:29 +0300

On 6/7/17 10:27 PM, Clément Pit-Claudel wrote:

> Uh? What I pointed out was that new code wouldn't work with old Emacsen.

That's a valid concern, and the only tangible downside of introducing %` 
and %' that I'm aware of.

> Maybe I misunderstood your proposal?  As far as I can tell, the change you propose will force me to write every `message' call like this in my packages:
>   
> (if (< emacs-version 26)
>      (message "Hello, `world'!")
>    (message "Hello, %`world%'!"))
> 
> Am I missing something?

Or wait until you only need to support Emacs 26 and newer. Not a huge 
loss, IMO. That time will come.

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