GNU bug report logs - #22983
syntax-ppss returns wrong result.

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Package: emacs;

Reported by: Alan Mackenzie <acm <at> muc.de>

Date: Fri, 11 Mar 2016 15:13:02 UTC

Severity: normal

Done: Alan Mackenzie <acm <at> muc.de>

Bug is archived. No further changes may be made.

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Message #29 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Andreas Röhler <andreas.roehler <at> easy-emacs.de>
To: bug-gnu-emacs <at> gnu.org
Subject: Re: bug#22983: syntax-ppss returns wrong result.
Date: Sun, 13 Mar 2016 19:52:13 +0100

[Message part 1 (text/plain, inline)]

On 11.03.2016 16:15, Alan Mackenzie wrote:
> Hello, Emacs.
>
> The fundamental contract in syntax-ppss is that (syntax-ppss POS)
> returns the same value as (parse-partial-sexp (point-min) POS) (with the
> exception of elements 2 and 6).  This is currently not always the case.
>
> In the master branch, emacs -Q and visit xdisp.c with C-x C-f.  Follow
> this recipe:
>
>      M-: (syntax-ppss-flush-cache 1)
>      M-: (setq ppss-0 (syntax-ppss 40000))

(setq ppss-0 (syntax-ppss 40000)

moved point - see attachment. Should it?

[moves-point.png (image/png, attachment)]
This bug report was last modified 7 years and 229 days ago.

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