- its <<conf:enum_cf_type,data type>>.
-- Flags further specifying behavior of the option (whether it is mandatory,
+ its <<conf:enum_cf_type,data type>>. The type is either one of the conventional
+ types (`int`, `uint`, etc.), or a user-defined type providing its own parser
+ function via <<conf:struct_cf_user_type,`cf_user_type`>>.
+- <<flags,Flags>> further specifying behavior of the option (whether it is mandatory,