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

From: Alan Mackenzie <[email-masked]>
Date: Wed, 7 Jun 2017 16:50:17 +0000

Hello, Clément.

On Mon, Jun 05, 2017 at 17:05:43 -0400, Clément Pit-Claudel wrote:
> On 2017-06-05 16:37, Alan Mackenzie wrote:
> >  How do you propose to prevent such puzzlement and anger in the
> > future, if not by %` and %'?

> Note that this introduces a backwards compatibility issue, if not done carefully:

>   Debugger entered--Lisp error: (error "Not enough arguments for format string")
>     message("%`woops%'")
>     eval((message "%`woops%'") nil)

I think it would be done carefully!  Clearly, %` and %' would be format
elements for which the count of necessary arguments would not be
incremented.  Or, more concisely, we wouldn't count them.

[ .... ]

> Clément.

-- 
Alan Mackenzie (Nuremberg, Germany).