#define COMPONENT_TYPE (accessibility_component_get_type ())
#define COMPONENT(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), COMPONENT_TYPE, Component))
#define COMPONENT_CLASS(k) (G_TYPE_CHECK_CLASS_CAST((k), COMPONENT_TYPE, ComponentClass))
-#define IS_COMPONENT(o) (G_TYPE_CHECK__INSTANCE_TYPE ((o), COMPONENT_TYPE))
+#define IS_COMPONENT(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), COMPONENT_TYPE))
#define IS_COMPONENT_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE ((k), COMPONENT_TYPE))
typedef struct {