title: Test table of contents
subject: Catalogues with the option 'catalogue-item-htmltext' can be used for table of contents.

filename: one.chapter
title: Chapter One
description: An introduction chapter

filename: two.chapter
title: Chapter Two
description: A second chapter

filename: three.chapter
title: Chapter Three
description: The final chapter!

filename: extra/four.chapter
title: Extra chapter
description: This is in a sub-directory.
