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Re: Upcoming loss of usability of Emacs source files and Emacs.


From: Paul Eggert
Subject: Re: Upcoming loss of usability of Emacs source files and Emacs.
Date: Tue, 16 Jun 2015 23:36:26 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.7.0

Tassilo Horn wrote:

I'd rather declare the former obsolete

So would I, but there is some sentiment in this thread for supporting the old ASCII-only form. And even if we want to obsolete the old form we'll need to support it for a while, to give users time to switch.

‘foo-bar’ is ambiguous.

Not in current Emacs. It's a quoted symbol when it appears in a docstring, just as `foo-bar' is a quoted symbol. Of course there are exceptions when the quotes are themselves escaped, but similar exceptions apply to ASCII quotes.

In practice, curved quotes are a bit less ambiguous than ASCII quotes, because one can easily use them to quote any ASCII-only Lisp code, and this is something that ASCII quotes can't do.



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