        .
================================================================================

LOOP <LCond>, [!]<LCMD>     
LOOP {! }{$#}[{! }<COND1>   {! }<COND2> ...], {!}<LoopCMD> // 

LCond	 LoopCond,    [$#]Var1[< >Var2]
'$'	   (  );
	 'leftpart'< >'rightpart', 
'#'	  (INT64).     "|"
	     .
 :
	"<"	 			">"	 
	"="					"!"	 
	">="	  		"<="	  
	"!="	 			"<>"	 
 '!'      .
 :    [],  ()   .
"S|"	 [ ,   $| . "S|"  .
"|&@"	 .   ,    
	   "|&@"   .
--------------------------------------------------------------------------------
         ,     .
        LOOP,  
   ( );     
 ( _SUB  _END).

******************************************************************[]*****
LOOP #%Number%<100, CALL DoLoop // %Number%  100,   DoLoop
LOOP $%Characters1%=%Characters2%, !CALL DoLoop //   ,  DoLoop
LOOP [ COND1 & ! COND2 & COND3 ], DoSth //  .
LOOP [ #2 < 12 & $7 < 8 & 4 < 10 ], MESS LOOP1 //  .