-other attributes, except the element of the `"map"` with empty key.
-Such element is analysed and its contents merged into the base
-domain before the check.
+other attributes
+
+```
+"delegate": "s/example74845"
+```
+
+Notes:
+* Element of the `"map"` with empty key, `"delegate"` and
+ `"import"` are processed before this invalidation takes place.
+* Unlike many other attributes, this can only contain a single
+ string as the value, rather than a list.