Above you can drag and drop a topic: from a page you are writing, and replace it with the factory so you can make a reference link.
Topic: or you can copy this formatting here (as it looks prettier :)
ITEM TEXT Topic:|\[\[Topic\]\]:|\[\[Topic:\]\]
Above we collect some topics that come up during the week to be asked in the Hangout:
# Topics
Here you can manually list them:
Topic: a plugin (such as the grep plugin) can display useful data to the user, but not to a machine