Re: bug#23425: master branch: `message' wrongly corrupts ' to curly quote.

[Alan Mackenzie]

Hello again, Clément.

On Wed, Jun 07, 2017 at 15:27:02 -0400, Clément Pit-Claudel wrote:
> On 2017-06-07 15:13, Alan Mackenzie wrote:
> > Rubbish!  What Clément pointed out is that the part of styled_format
> > which counts format constructs and argumnts would need to be modified.
> > This would be trivial.

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

> 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%'!"))

That would clearly be unacceptable.

> Am I missing something?

No, I don't think so.  But it is probably feasible to put advice on
`message' in older Emacsen.  This advice would strip the % from %` and
%'.

It should be borne in mind that the handling of ` and ' by `message' in
Emacs-25 is in any case incompatible with earlier versions of Emacs.

> Clément.

-- 
Alan Mackenzie (Nuremberg, Germany).