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Haskell syntax highlighting issue with type-level list cons operator #793

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jship opened this issue Jun 17, 2023 · 0 comments
Open

Haskell syntax highlighting issue with type-level list cons operator #793

jship opened this issue Jun 17, 2023 · 0 comments

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@jship
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jship commented Jun 17, 2023

Describe the bug

When a Haskell code block contains the ': operator, chroma erroneously highlights everything after the ' character. For example, in this block:

sample :: Proxy (Int ': [])

The last 5 characters of the line - : []) - get incorrectly highlighted.

To Reproduce

This can be seen in the Chroma Playground here: https://swapoff.org/chroma/playground/#eyJsYW5ndWFnZSI6Ikhhc2tlbGwiLCJzdHlsZSI6Im1vbm9rYWlsaWdodCIsInRleHQiOiJzYW1wbGUgOjogUHJveHkgKEludCAnOiBbXSkiLCJjbGFzc2VzIjpmYWxzZX0

Here is the same snippet rendered in Pygments without the issue: https://pygments.org/demo/?lexer=haskell&style=monokai&formatter=html&code=sample+%3A%3A+Proxy+%28Int+%27%3A+%5B%5D%29
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