Re: [Emacs-diffs] master 9ce1d38: Use curved quotes in core elisp diagnostics

[Dmitry Gutov]

On 08/23/2015 02:45 AM, Paul Eggert wrote:

> Yes, although that's a longstanding problem: it's not something that the
> recent quoting-style changes have introduced, and it's not something
> that we really need to address now.

Nothing longstanding there. Where before, (format "‘abc’") passed 
through the input unchanged, now it _might_ be changed, depending on 
some global variable. That can bite a programmer in the behind.

> That being said, we could attack the problem somewhat by having %qs not
> only quote its output, but also insert backslashes in front of each
> troublesome character (which should include the characters in the string
> "\n\\\"'‘’“”", say).  This would work only in output contexts where
> backslash escapes make sense, but that's reasonably common and anyway
> the output would be unambiguous, which is better than what we have now.

That entirely misses my point.

>     (error "Cannot find image file %qs" name)

Again, I'm not talking about error messages.