code: func (v *FontDescription) GetSizeIsAbsolute() bool {
  	c := C.pango_font_description_get_size_is_absolute(v.native())
  	return gobool(c)
  }
docs: //gboolean             pango_font_description_get_size_is_absolute (const PangoFontDescription *desc) G_GNUC_PURE;