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bug#31676: 27.0.50; More helpful error message for unescaped character l
From: |
Eli Zaretskii |
Subject: |
bug#31676: 27.0.50; More helpful error message for unescaped character literals |
Date: |
Sat, 09 Jun 2018 20:31:25 +0300 |
> From: Philipp Stephani <p.stephani2@gmail.com>
> Date: Sat, 9 Jun 2018 19:12:30 +0200
> Cc: larsi@gnus.org, 31676@debbugs.gnu.org
>
> Sounds okay, but can you tell why you implemented
> lread--unescaped-character-literals in C? If that's because you need
> to call it from load_warn_unescaped_character_literals, then C
> functions can call Lisp functions with no problems, we have several
> examples of that in the sources. AFAICT, the C implementation is just
> a "transliteration" of straightforward Lisp code, so it reads strange.
>
> The function uses an uninterned variable, so it has to be in C. I think
> that's slightly better than interning the
> variable and having some Lisp function access it (the latter would have one
> additional internal symbol).
Why does it need an uninterned variable? And if it does, why cannot
it create a symbol that is not in obarray?