markdownlint/doc-build/md024.md

This rule is triggered if there are multiple headings in the document that have the same text:

# Some text

## Some text

To fix this, ensure that the content of each heading is different:

# Some text

## Some more text

If the parameter siblings_only (alternatively allow_different_nesting) is set to true, heading duplication is allowed for non-sibling headings (common in changelogs):

# Change log

## 1.0.0

### Features

## 2.0.0

### Features

Rationale: Some Markdown parsers generate anchors for headings based on the heading name; headings with the same content can cause problems with that.