* `presence` if set to true, only the presence of a matching page triggers
the dependency.
-* `links` if set to true, any change in the text of links on a matching page
- triggers the dependency
+* `links` if set to true, any change to links on a matching page
+ triggers the dependency. This includes when a link is added, removed,
+ or changes what it points to due to other changes. It does not include
+ the addition or removal of a duplicate link.
#### `pagespec_match($$;@)`