The PangoOverline enumeration is used to specify whether text should be overlined, and if so, the type of line.
PangoOverline
1.46
no overline should be drawn
Draw a single line above the ink extents of the text being underlined.
Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)
Returns an array containing the constants of this enum type, in the order they're declared.