xample: </p>

<pre>
#12 #34 <b>SWP POP</b> -> NIP 
</pre>

<p>Tail-call optimization happen where jumps to subroutines are followed by
subroutine returns and can be replaced instead by a single jump. </p>

<pre>
@routine ( a b -: c )
	SWP ;function <b>JSR2 JMP2r</b> -> JMP2
</pre>

<p>Going one step further, routines that would otherwise terminate in a tail-call
optimization could even be relocated before their tail's location in memory and
do away with the ending jump altogether. Incidentally, we leave her