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There are some keyboards that produce a different keycode for SysRq than the
-pre-defined value of 99 (see ``KEY_SYSRQ`` in ``include/linux/input.h``), or
+pre-defined value of 99
+(see ``KEY_SYSRQ`` in ``include/uapi/linux/input-event-codes.h``), or
which don't have a SysRq key at all. In these cases, run ``showkey -s`` to find
an appropriate scancode sequence, and use ``setkeycodes <sequence> 99`` to map
this sequence to the usual SysRq code (e.g., ``setkeycodes e05b 99``). It's