Description

Creates a new lint that detects when an element's id is unreferenced

Motivation and Context

Helps user discover ids that add noise to the document

How Has This Been Tested?

• Unit tests
• w3c

Types of changes

Features

• Adds new lint

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have added tests to cover my changes.
• All new and existing tests passed.