+13. Options on the dsearch lookup, to return the full path and to filter
+ filetypes for matching.
+
+14. Options on pgsql and mysql lookups, to specify server separate from the
+ lookup string.
+
+15. Expansion item ${listquote {<char} {<item>}}.
+
+16. An option for the ${readsocket {}{}{}} expansion to make the result data
+ cacheable.
+