Comment in yaml-codeblock won't generate html

[hmaier-dev]

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

$ hugo version
hugo v0.139.4+extended linux/amd64 BuildDate=unknown

Does this issue reproduce with the latest release?

Yes, it does.

When using the string:

# more publishable markdown files...

in a yaml-codeblock, like this

      - name: Copy over new files
        run: |
            # Whitelist of all publishable wiki articles
            cp index.md $content
            # more publishable markdown files...

instead of the block an e> gets generated. When removing the comment, everything works fine. I also tried different strings with which, it sometimes worked and sometimes not. I cannot guess pattern, when the error occurs.

Also there is no special output when building the site. I guess there is something wrong with goldmark but I do not fully understand how hugo uses goldmark. So I'm approaching you guys at first.

Thanks for your time. I would be happy to provide more information on this issue.

[bep]

in a yaml-codeblock, like this

What exactly do you mean by this.

[hmaier-dev]

I mean it like this:

Some text explaining the yaml
```yaml
      - name: Copy over new files
        run: |
            # Whitelist of all publishable wiki articles
            cp index.md $content
            # more publishable markdown files...
```

When building this, I just get

<p>Some text explaining the yaml</p>
e>

[bep]

I tried your example, and it renders fine for me (I tested with both markup.higlight.codeFences true and false).

[jmooring]

I looked at the relevant page in your repository:
https://github.com/hmaier-dev/wiki/blob/main/content/Github.md

The first line of the file is:

# How this wiki works

So, despite the .md extension, Hugo treats this as Emacs Org Mode front matter:

hugo/parser/pageparser/pagelexer_intro.go

Lines 31 to 32 in a32c889

	case r == '#':
	return lexFrontMatterOrgMode

And when we call lexFrontMatterOrgMode...

hugo/parser/pageparser/pagelexer_intro.go

Line 94 in a32c889

l.summaryDivider = summaryDividerOrg

And summaryDividerOrg is...

hugo/parser/pageparser/pagelexer.go

Line 103 in a32c889

summaryDividerOrg = []byte("# more")

More about summary dividers here:
https://gohugo.io/content-management/summaries/#manual-summary

A simple example that reproduces the behavior you are seeing:

# a

```yaml
x: 6
# more foo
y: 7
```

Looking at your repository, you need to:

1. Add YAML, TOML, or JSON front matter to every markdown file
2. Rename content/index.md to content/_index.md

[hmaier-dev]

Thanks for your detailed answer, @jmooring. It is very helpful!

[github-actions]

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