* doc/lispref/commands.texi (Touchscreen Events): * etc/NEWS: Describe new event parameter `canceled'. * src/keyboard.c (make_lispy_event) <TOUCHSCREEN_END_EVENT>: If event->modifiers, set canceled to t. * src/termhooks.h (enum event_kind): Describe meaning of modifiers in TOUCHSCREEN_END_EVENTs. * src/xfns.c (setup_xi_event_mask): Select for XI_TouchOwnership. * src/xterm.c (xi_link_touch_point): Round X and Y and clear ownership. (xi_unlink_touch_point): Return 1 if the touch point is not owned by Emacs, 2 otherwise. (handle_one_xevent): Handle XI_TouchOwnership events and report ownership correctly. * src/xterm.h (enum xi_touch_ownership): New enum. Write commentary on XI touch sequence ownership. (struct xi_touch_point_t): Use integer X and Y. New field `ownership'. Adjust for alignment.
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