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bug#24870: 26.0.50; parse-partial-sexp ignores comment-end
From: |
Matt Armstrong |
Subject: |
bug#24870: 26.0.50; parse-partial-sexp ignores comment-end |
Date: |
Wed, 30 Nov 2016 15:02:39 -0800 |
Andreas Röhler <andreas.roehler@easy-emacs.de> writes:
> On 30.11.2016 10:10, Matt Armstrong wrote:
>> Andreas Röhler <andreas.roehler@easy-emacs.de> writes:
>>> haskell-mode, at EOB: --- {- To explore this file: -} asdf = ---
>>> parse-partial-sexp thinks being inside a paren - see attachment. GNU
>>> Emacs 26.0.50.1 (i686-pc-linux-gnu, GTK+ Version 3.14.5) of 2016-10-11
>> Hi Andreas, Emacs does not have a haskell-mode, so this bug is
>> difficult to reproduce. It may be more appropriate to report this to
>> the haskell-mode maintainers for triage. They can figure out if it is
>> a problem that should be fixed in haskell-mode itself, or a problem
>> with Emacs. Alternatively, can you provide a series of clear
>> instructions to reproduce the problem in a fresh Emacs started without
>> your customizations? For example, begin by running "emacs -Q" and go
>> from there. Your attached .png presents a buffer called
>> *parse-partial-sexp-output*, but it is not clear how this was
>> generated. Thanks
> Hi Matt,
>
> checked that with help of the haskell-mode folks already.
> https://github.com/haskell/haskell-mode/issues/1459
Thanks. For reference, this is what you have said on the github bug:
Seems a bug of
GNU Emacs 26.0.50.1 (i686-pc-linux-gnu, GTK+ Version 3.14.5) of 2016-11-15
Does not exist at
GNU Emacs 25.1.90.1 (i686-pc-linux-gnu, GTK+ Version 3.14.5) of 2016-11-29
> As it's nice at current pretest Emacs, concluded a bug in trunk.
> Here a shortened recipe. Put code below in a buffer:
> ||
> |{- Just a comment: -}|
>
> M-x haskell-mode RET
Note that haskell-mode is not part of Emacs. Ideally, your steps to
reproduce that begin with running "emacs -Q". Emacs maintainers that
might not also be Haskell hackers will appreciate it. :)
Also, can you describe the visible symptom that caused you to begin
looking at syntax-ppss and parse-partial-sexp? That description may
help me or others spot similarities with other reported bugs.
(I must say that I am not an Emacs expert, and I do not usually reply to
Emacs bugs. I looked at a few bugs last night as a way to help
maintainers triage the "easy" bugs. It does not look like this bug is
easy!)