bind-two-modifier-key-events -- Bind PROC-PRESS and PROC-RELEASE to be invoked on a multi-modifier key event.
unbind-two-modifier-key-events -- Unbind events attached to a multi-modifier key event.
bind-three-modifier-key-events -- Bind PROC-PRESS and PROC-RELEASE to be invoked on a multi-modifier key event.
unbind-three-modifier-key-events -- Unbind events attached to a multi-modifier key event.
bind-four-modifier-key-events -- Bind PROC-PRESS and PROC-RELEASE to be invoked on a multi-modifier key event.
unbind-four-modifier-key-events -- Unbind events attached to a multi-modifier key event.