build/packer/packer.js
function decodeBlocks(script, encoded) {
      while (encoded.test(script)) {
        script = script.replace(global(encoded), function(match, index) {
          return blocks[index];
        });
      }
      return script;
    }
function decodeBlocks(script, encoded) {
      while (encoded.test(script)) {
        script = script.replace(global(encoded), function(match, index) {
          return blocks[index];
        });
      }
      return script;
    }
function decodeBlocks ( script , encoded ) { while ( encoded . test ( script ) ) { script = script . replace ( global ( encoded ) , function ( match , index ) { return blocks [ index ] ; } ) ; } return script ; }
decoder for program blocks
decoder for program blocks