Note that if the wiki is configured to use a tagbase, then the tags will be
located under a base directory, such as "tags/". This is a useful way to
avoid having to write the full path to tags, if you want to keep them
-grouped together out of the way.
+grouped together out of the way. Also, since ikiwiki then knows where to put
+tags, it will automatically create tag pages when new tags are used.
Bear in mind that specifying a tagbase means you will need to incorporate it
into the `link()` [[ikiwiki/PageSpec]] you use: e.g., if your tagbase is