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bug#15998: 24.3; forward-sexp (scan-sexps) doesn't do well with some SEX
From: |
Stefan Monnier |
Subject: |
bug#15998: 24.3; forward-sexp (scan-sexps) doesn't do well with some SEXPs |
Date: |
Wed, 26 Jun 2019 13:06:22 -0400 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux) |
> But do we want to implement a brand new forward-sexp just for Emacs Lisp?
No, but I think syntax-propertize can take care of those things.
> 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
[ I believe for (2) there's a missing # in there somewhere, right? ]
> And especially 1) is rather annoying...
I do wonder when/where these things show up, tho.
I'd expect those to appear in .elc files and in the output of M-: and
IELM buffers, but not in emacs-lisp-mode buffers.
Stefan