"LDAP attributes which are always searched for without wildcard character.
This is the list of special dictionary-valued attributes, where
wildcarded search may fail. For example, it fails with
-objectclass in Active Directory servers."
+objectclass in Active Directory servers.
+
+You may not want functions like `eudc-query-form' and
+`eudc-expand-inline' to do LDAP wildcard expansion by default on
+certain fields. If so, add the relevant symbol to this list, for
+example `samaccountname' for the \"E-Mail\" field."
:type '(repeat (symbol :tag "Directory attribute")))