[vim/vim] YAML syntax issue: everything before the last colon in a line seems to be treated as a key (Issue #15196)

[moronizzz]

Steps to reproduce

To open a yaml file with the example content, the value: seems to be highlighted:

some_key: value:value
some_list:
- value:value

24070901.png (view on web)

Expected behaviour

To not highlight values containing colons.

Version of Vim

9.1

Environment

OS: Manjaro Linux
Terminal: Konsole 24.05.1
Shell: bash 5.2.26

Logs and stack traces

No response

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[Christian Brabandt]

Unfortunately, the Yaml syntax file is currently unmaintained and uses hardly to ready black magic regexes, so I cannot guess how to fix this.

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[moronizzz]

As I understand it was recently updated, not sure if the bug is introduced with this commit: cc7597c

I just took previous version of the syntax file as a workaround for now. I agree it is pretty hard to understand how it works.

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[Christian Brabandt]

ah, so it comes from #14354 ping @itchyny perhaps he has an idea

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[itchyny]

I'll take a look this weekend.

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[moronizzz]

Just one more note, as I presume we can miss it while fixing this issue. As I understand the keys also can contain colons, so it might be worth to check this case against possible changes in the syntax file as well e.g.

aws:cdk:path: some/path

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[Christian Brabandt]

Closed #15196 as completed via aa49512.

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