GNU bug report logs - #35496
27.0.50; smie-blink-matching-open blinks token before point after RET

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Message #11 received at 35496 <at> debbugs.gnu.org (full text, mbox):

From: Stefan Monnier <monnier <at> IRO.UMontreal.CA>
To: Dmitry Gutov <dgutov <at> yandex.ru>
Cc: 35496 <at> debbugs.gnu.org
Subject: Re: bug#35496: 27.0.50;
 smie-blink-matching-open blinks token before point after RET
Date: Tue, 07 May 2019 21:44:24 -0400

> 1. Disable show-paren-mode if it's enabled.
> 2. Evalute the attached .el file (which defined a major mode).
> 3. Create a new bufferand type M-x foo-mode.
> 4. Type 'def foo do' (without quotes) and press RET.
> 5. Cursor will hang around on the first line even after the newline
> is inserted.

It's not a bug, it's a feature: we can't highlight the matching `def`
when you hit the `o`  because we don't know yet whether you actually
intended to type `do` or a longer identifier, so we postpone the
blinking to the next char.

smie-blink-matching-triggers defaults to ?\s and ?\n so the "next char"
where the blinking can happen is SPC or RET.

Maybe we shouldn't postpone the blinking (i.e. we should add ?o to
smie-blink-matching-triggers)?


        Stefan

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