* WHILE ( cond -- ) middle part of a BEGIN .. WHILE .. REPEAT control-loop - if cond is true the code-piece up to REPEAT is executed which will then jump back to BEGIN - and if the cond is null then WHILE will branch to right after the REPEAT (compare with UNTIL that forms a BEGIN .. UNTIL loop)
WHILE
( cond -- )
BEGIN
REPEAT
UNTIL
FORTH/ANS core (dpANS.6.1.2430) compiling primitive