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

[Andreas Schwab]

On Jun 05 2017, Paul Eggert <eggert@cs.ucla.edu> wrote:

>>> Elisp code needed to use
>>> (message "%s" STR) even before the change you're objecting to,
>>
>> Did it?  When and why?
>
> Yes, because one can’t pass arbitrary strings to the message function and
> expect them to be displayed as-is.

Another bad argument, because we are talking about format strings, which
you cannot be replaced by "%s".

>>>           (error "Can't find `%s' in %s" thing where)))
>>>   =>      (error "Can%'t find %`%s%' in %s" thing where)))

A better way would be a new modifier to place quotes around the
argument.  That's what GCC is using now.  Also, contractions like don't
should be avoided anyway.

Andreas.

-- 
Andreas Schwab, SUSE Labs, schwab@suse.de
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