+* Remaining unstructured gotos in playermove() and do_command(). The goto L12
+ in playermove() is particularly horrible, jumping backwards into the
+ middle of a loop.
+
+* In playermove(), why doesn't replacing the global motion number K
+ with a passed-in argument work? There's some unobvious information
+ leak here.
+
+* The way return values from handlers such as 2012 trigger side effects
+ based on global state is nasty.