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bug#15998: 24.3; forward-sexp (scan-sexps) doesn't do well with some SEX
From: |
Lars Ingebrigtsen |
Subject: |
bug#15998: 24.3; forward-sexp (scan-sexps) doesn't do well with some SEXPs |
Date: |
Wed, 26 Jun 2019 17:23:05 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux) |
Stefan Monnier <monnier@iro.umontreal.ca> writes:
>> 1) add `scan-sexps' an optional argument, `elisp-syntax'.
>
> I don't think I want to add such elisp-specific hacks to the
> scan-sexps code. Better would be to change emacs-lisp-mode to set
> forward-sexp-function to a function that handles those cases.
But do we want to implement a brand new forward-sexp just for Emacs
Lisp? I'm assuming that a Lisp-based implementation would be
uncomfortably slow...
To recap, the following doesn't forward-sexp correctly:
1. #s(...) hash table
2. ^[...] ^^[...] char table
5. ## empty symbol
9. #&N"XXX" bool vector
And especially 1) is rather annoying...
--
(domestic pets only, the antidote for overdose, milk.)
bloggy blog: http://lars.ingebrigtsen.no
- bug#15998: 24.3; forward-sexp (scan-sexps) doesn't do well with some SEXPs,
Lars Ingebrigtsen <=