/* Unblock input if we enter with input blocked. This may happen if
redisplay traps e.g. during tool-bar update with input blocked. */
while (INPUT_BLOCKED_P)
UNBLOCK_INPUT;
return Fthrow (Qtop_level, Qnil);
}
This approach of unblocking input appears completely useless to me,
since unwinding the stack includes restoration of
interrupt_input_blocked.
Probably that code was needed in the past,
before unwind_to_catch did this. I will try deleting it.
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