- u -

• UDATA : line::line::properties
• UICONTEXTMENU : base_properties
• UNITS : figure::figure::properties , axes::axes::properties , root_figure::root_figure::properties , text::text::properties
• unknown : tree_boolean_expression
• Unknown : MatrixType
• unknown : octave_comment_elt
• unknown_assign_op : octave_value
• unknown_binary_op : octave_value
• unknown_compound_binary_op : octave_value
• unknown_unary_op : octave_value
• unwind_protect_end : token
• Upper : MatrixType
• USERDATA : base_properties