Uucp.GenGeneral properties.
is_default_ignorable u is true if u has the Default_Ignorable_Code_Point property.
is_deprecated u is true if u has the Deprecated property.
is_logical_order_exception u is true if u has the Logical_Order_Exception property.
is_non_character u is true if u has the Noncharacter_Code_Point property.
is_variation_selector u is true if u has the Variation_Selector property. See the Variation Sequences FAQ.