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Unsetting it in meta_display_handle_event() will make the pointer emulation checks fail on TOUCH_END event handlers across clutter actors, the sequence should still be considered as pointer emulating at that time. As we don't have a way to hook this post clutter event handling, instead unset/reset it lazily on the next pointer emulating TOUCH_BEGIN event, the checks would already fail on other sequences, even if the pointer emulating touch ended earlier. The only extra thing we need to take care about is sequence collision, at which point it's safe to just unset the stored sequence if its new incarnation isn't flagged/ deemed as pointer emulating. https://bugzilla.gnome.org/show_bug.cgi?id=756754