Chroma: YAML indentation sometimes doubled

[willhaines]

What version of Hugo are you using (hugo version)?

$ hugo version
hugo v0.110.0-e32a493b7826d02763c3b79623952e625402b168+extended linux/amd64 BuildDate=2023-01-17T12:16:09Z VendorInfo=gohugoio

Does this issue reproduce with the latest release?

yes

Steps to reproduce

1. Create a yaml code block (or highlight shortcode)
2. Include a single-line block scalar in your YAML
3. See that the block scalar content is indented twice as far in the rendered output, compared to the input.

Example

---
title: "Post"
date: 2023-02-02T08:34:04-07:00
draft: false
---

```yaml
one:
  two:
    three: |
      four
    five: |
      six
      seven
```

{{< highlight yaml >}}
one:
  two:
    three: |
      four
    five: |
      six
      seven
{{< /highlight >}}

Background

As far as I can tell, the problem is not present upstream in https://github.com/alecthomas/chroma

$ go version -m ~/bin/hugo | grep -i chroma
        dep     github.com/alecthomas/chroma/v2 v2.4.0  h1:Loe2ZjT5x3q1bcWwemqyqEi8p11/IV/ncFCeLYDpWC4=

[jmooring]

This is a Chroma issue, and it was resolved with alecthomas/chroma@5ca7345. That commit occurred after the release of 2.4.0. We'll get the update when the author rolls another release.

[willhaines]

Ah, thanks! Sorry for not digging deep enough upstream!

[github-actions]

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