DO {WHILE or UNTIL condition}
<statements>
{if <condition> REPEAT}
{if <condition> EXIT}
{<statements>}
LOOP {WHILE or UNTIL condition}
For example:
DO WHILE A > B
A = A + 1
B = B * 2
LOOP
Another example:
DO
A = A + 1
LOOP UNTIL A = 10
Compatibility: BASICplus at the source level; requires /X:1 or higher.
