Doclix looks for structure in your file in this order:

1. Structure tags. If your file contains <section Title> or <subsection Title> tags, Doclix uses those exactly as written to build your section tree. A <section> tag starts a new top-level page. A <subsection> tag starts a page nested under the most recent <section>. You don't need a closing tag — the next tag (or the end of the file) automatically ends the current one.

Example file: