
   Syntax    
   {%IN% label} {%ON% iteration} %REPLACE% {%STRICTLY%} expr %BY% expr

   Purpose   Replaces one expression by another.

   Abbreviation        REPL for REPLACE

   %Example%

   þE1 : a[j]/b[j] + c/d
   þREPLACE a[j]/b[j] BY c/d
   E1 : 2*c/d

   PROCEDURE Example(LABEL L ; PARAMETER P1, P2) ;
     IN L REPLACE P1 BY P2 ;
   EXIT
