Markdown parser only considers first child of ListItem

[vagenas]

Issue originally posted by @Heremeus in #623:

Similar issue is happening with inline code using `

Converting the following markdown file and exporting it back to markdown using DocumentConverter().convert("file.md").document.export_to_markdown() results in docling cutting off the text after the `

Input:

# Contributing

1. Pull the repository
2. Create your feature branch (`git checkout -b feature/AmazingFeature`)
3. Commit your changes (`git commit -m 'Add some AmazingFeature'`)
4. Push to the branch (`git push origin feature/AmazingFeature`)
5. Open a Pull Request

Exported Markdown:

 # Contributing

- Pull the repository
- Create your feature branch (
- Commit your changes (
- Push to the branch (
- Open a Pull Request

Also, from their follow-up comment:

Did a little debugging and it seems this stems from the md_backend. The handling for marko.block.ListItem only considers the first children, ignoring any other children of the ListItem.

docling/docling/backend/md_backend.py

Line 212 in fc645ea

snippet_text = str(element.children[0].children[0].children)

In my example above, element.children[0] is a Paragraph containing multiple RawText and CodeSpan children. element.children[0].children[0] only uses the first RawText child and ignores the rest of the Paragraph.

[ruizguille]

A similar issue is happening if list items include bold or italic text.

And, in particular, for an input like this:

# Example

1. **Item 1 bold**: Item 1 description
2. **Item 2 bold**: Item 2 description
3. **Item 3 bold**: Item 3 description

The markdown exported output is:

# Example

- [<RawText children='Item 1 bold'>]
- [<RawText children='Item 2 bold'>]
- [<RawText children='Item 3 bold'>]

[PeterStaar-IBM]

@vagenas Can we considered this closed? I think you fixed this now, no?

[vagenas]

@PeterStaar-IBM no because this is about the Markdown backend (not the export). My comment here is related.

[PeterStaar-IBM]

@vagenas Got it, thanks!