comark/outline/no-headings · Give a ::toc headings to list

::toc lists the page's headings from h2 down to depth, h3 by default. A page with none of them, such as one with only an h1 title or only h4 headings, gets an empty block that renders nothing.

Incorrect

# Pigeon tracker

::toc
::

Pigeons are counted every morning.

lint-comark example.mdexample.md:3:1 comark/outline/no-headings::toc 1 has no headings from h2 to h3 to list.Add ## headings, or remove the block.✖ 1 problem

Correct

# Pigeon tracker

::toc
::

## Counting

Pigeons are counted every morning.

## Reporting

lint-comark example.md✔ No problems