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bug#20707: [PROPOSED PATCH] Use curved quoting in C-generated errors

From: Paul Eggert
Subject: bug#20707: [PROPOSED PATCH] Use curved quoting in C-generated errors
Date: Tue, 02 Jun 2015 13:05:03 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.7.0

On 06/02/2015 08:51 AM, Dmitry Gutov wrote:
GCC outputs curly quotes, but doesn't use them in the source code. So that's still an option.

Yes, and the changes installed into the master preserve that option for Emacs as well. Eventually we should move away from the idea of quoting `like this' in the source code with the understanding that the quotes are transliterated for the user, as in the long run that'll be one more annoying thing to deal with, but in the meantime it's a reasonable transition strategy to stick with ASCII-only formats in diagnostics.

In this sense, the patch proposed in Bug#20707 goes too far, as it would require either curved quotes in C source strings, or ugly circumlocutions like "Error: "uLSQ"%s"uRSQ" is invalid" in place of "Error: ā€˜%sā€™ is invalid". So I plan to draft a different approach that will be more like what GCC does.

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