GNU bug report logs - #68226
[PATCH] Improve block_node handling for yaml-ts-mode fill-paragraph

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Graham Marlow <graham <at> mgmarlow.com>
Subject: bug#68226: closed (Re: bug#68226: [PATCH] Improve block_node
 handling for yaml-ts-mode fill-paragraph)
Date: Fri, 05 Jan 2024 00:43:02 +0000

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Your bug report

#68226: [PATCH] Improve block_node handling for yaml-ts-mode fill-paragraph

which was filed against the emacs package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 68226 <at> debbugs.gnu.org.

-- 
68226: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=68226
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Yuan Fu <casouri <at> gmail.com>
To: Graham Marlow <graham <at> mgmarlow.com>
Cc: 68226-done <at> debbugs.gnu.org
Subject: Re: bug#68226: [PATCH] Improve block_node handling for yaml-ts-mode
 fill-paragraph
Date: Thu, 4 Jan 2024 16:42:23 -0800

> On Jan 2, 2024, at 9:21 PM, Graham Marlow <graham <at> mgmarlow.com> wrote:
> 
>> Thank you! This is great. The function assumes that the block starts at 
>> the line below “|”, but I think it’s very rare when people write string 
>> block right after the “|”.
> 
> Happy to help!
> 
>> Have you signed the copyright assignment?
> 
> I have indeed. 

Installed on master, thanks!

Yuan

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From: Graham Marlow <graham <at> mgmarlow.com>
To: bug-gnu-emacs <at> gnu.org
Subject: [PATCH] Improve block_node handling for yaml-ts-mode fill-paragraph
Date: Tue, 2 Jan 2024 14:10:53 -0800

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Hello Emacs maintainers,

I noticed that the yaml-ts-mode fill-paragraph function doesn't play 
nicely with block nodes, making it difficult to tidy paragraphs. For 
example,

foo: |
  line-one
  line-two

Becomes

foo: | line-one line-two

Effectively undoing the block.

My proposed changes (see attached patch) fixes this behavior so that 
block nodes remain formatted correctly:

foo: |
  line-one line-two

It also plays nicely with longer pieces of text and multiple paragraphs.

I tried to base my changes off of the fill-paragraph function from 
c-ts-common, though the YAML version is much simpler since it doesn't 
need to account for comment insertion. I've not written a fill-paragraph 
function before so I'm sure I messed something up.

What do you think?

[0001-Improve-block_node-handling-for-yaml-ts-mode-fill-pa.patch (text/x-patch, attachment)]

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