<PFE-SMART>
does the work of POSTPONE on the execution token that
you got from somewhere else - so it checks if the name
(that correspond to the execution-token argument) is
actually immediate, so it has to be executed to compile
something, e.g. IF or THEN - see also POSTPONE ,
COMPILE , [COMPILE] , INTERPRET
reference: p4_to_compile in ../src/yours.c:0135, export CO >COMPILE