GNU bug report logs - #17761
24.3.91; smie-for-sexp and parentheses of-by-one bug?

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Message #8 received at 17761 <at> debbugs.gnu.org (full text, mbox):

From: Stefan Monnier <monnier <at> iro.umontreal.ca>
To: Leo Liu <sdl.web <at> gmail.com>
Cc: 17761 <at> debbugs.gnu.org
Subject: Re: bug#17761: 24.3.91; smie-for-sexp and parentheses of-by-one bug?
Date: Fri, 13 Jun 2014 11:33:44 -0400

> 1. Open a buffer in octave mode and insert ( ) with point between the
>    parentheses
> 2. Eval (smie-forward-sexp) which should give back something like
>    (t 2 ")")
> POS is before the token ")" instead of the end position of the token. Is
> this a bug?

Indeed, thanks.  I installed a patch into `emacs-24' which should
fix this.  As you can see, SMIE is mostly used to parse backward!

> BTW, although smie-config-guess's return value is not documented, it
> seems no harm to do something like the following:

Using its return value is an error, so I'd rather not encourage this error.


        Stefan

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