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

[Dmitry Gutov <dgutov@yandex.ru>]

Stefan, just making sure you read this.

On 29.04.2019 23:57, Dmitry Gutov wrote:
> 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.
> 
> Key moments: ?o is not in smie-blink-matching-triggers because the
> grammar also defines a closer 'dop'. smie-blink-matching-inners is t
> (which it is by default).
> 
> Here's an old bug report for elixir-mode which, unfortunately, didn't
> reach the end of the investigation before the author opted for a
> workaround instead: 
> https://github.com/elixir-editors/emacs-elixir/issues/363
> 
> What would be the better workaround, by the way? I'm thinking of simply 
> disabling smie-blink-matching-inners.
> 
> In GNU Emacs 27.0.50 (build 52, x86_64-pc-linux-gnu, GTK+ Version 3.22.30)
>   of 2019-04-28 built on zappa
> Repository revision: 80822917736edbab77969c4a18dfb8dd20fe3a88
> Repository branch: master
> Windowing system distributor 'The X.Org Foundation', version 11.0.12001000
> System Description: Ubuntu 18.04.2 LTS