all user attributes to be returned.
The description "+"(LDAP_ALL_OPERATIONAL_ATTRIBUTES) may be used to
request all operational attributes to be returned. Note that this
-requires the server to suppor the LDAP All Operational Attribute
+requires the server to support the LDAP All Operational Attribute
extension.
To request no attributes, the description "1.1" (LDAP_NO_ATTRS)
should be listed by itself.