Does the permalink resolve? #
This doc exists to verify the URL structure. When published it must live at /learn/test-cat/test-doc-plain/ and the category archive must resolve at /learn/test-cat/ without a 404. Delete this doc and the Test Cat category after checking.
Second heading for the TOC #
Two H2 headings so the ‘On this page’ table of contents renders and the breadcrumb, reading time and last-updated furniture can all be eyeballed on one page.
