Merge remote-tracking branch 'origin/topic/awelzel/265-default-on-tab…

…le-pattern-string-matching'

* origin/topic/awelzel/265-default-on-table-pattern-string-matching:
  types: Document ignored &default for table[pattern] string matching

script-reference/types.rst

@@ -1167,6 +1167,15 @@ the entire string. If you want the pattern to match if it's *anywhere*
 in the string, you can use the usual regular expression operators such
 as ``/.*foo.*/``.
 
+.. note::
+
+   The :zeek:attr:`&default` attribute is ignored for this type of lookup.
+   If none of the patterns matches a given string, the result will be an empty
+   :zeek:type:`vector`, regardless of :zeek:attr:`&default`. Neither is the
+   :zeek:attr:`&default_insert` attribute used. It's not an error to have
+   either of these attributes, however. They'll still be in effect when
+   indexing with :zeek:type:`pattern` values.
+
 .. note::
 
    Internally, Zeek matches a table's patterns in parallel using a lazily