* @GDK_BUTTON4_MASK: the fourth mouse button.
* @GDK_BUTTON5_MASK: the fifth mouse button.
* @GDK_MODIFIER_RESERVED_13_MASK: A reserved bit flag; do not use in your own code
+ * @GDK_MODIFIER_RESERVED_14_MASK: A reserved bit flag; do not use in your own code
+ * @GDK_MODIFIER_RESERVED_15_MASK: A reserved bit flag; do not use in your own code
+ * @GDK_MODIFIER_RESERVED_16_MASK: A reserved bit flag; do not use in your own code
+ * @GDK_MODIFIER_RESERVED_17_MASK: A reserved bit flag; do not use in your own code
+ * @GDK_MODIFIER_RESERVED_18_MASK: A reserved bit flag; do not use in your own code
+ * @GDK_MODIFIER_RESERVED_19_MASK: A reserved bit flag; do not use in your own code
+ * @GDK_MODIFIER_RESERVED_20_MASK: A reserved bit flag; do not use in your own code
+ * @GDK_MODIFIER_RESERVED_21_MASK: A reserved bit flag; do not use in your own code
+ * @GDK_MODIFIER_RESERVED_22_MASK: A reserved bit flag; do not use in your own code
+ * @GDK_MODIFIER_RESERVED_23_MASK: A reserved bit flag; do not use in your own code
+ * @GDK_MODIFIER_RESERVED_24_MASK: A reserved bit flag; do not use in your own code
+ * @GDK_MODIFIER_RESERVED_25_MASK: A reserved bit flag; do not use in your own code
* @GDK_SUPER_MASK: the Super modifier. Since 2.10
* @GDK_HYPER_MASK: the Hyper modifier. Since 2.10
* @GDK_META_MASK: the Meta modifier. Since 2.10
+ * @GDK_MODIFIER_RESERVED_29_MASK: A reserved bit flag; do not use in your own code
* @GDK_RELEASE_MASK: not used in GDK itself. GTK+ uses it to differentiate
* between (keyval, modifiers) pairs from key press and release events.
* @GDK_MODIFIER_MASK: a mask covering all modifier types.