anchor.diff:  BATCH     : 'mybatches' ;
   
   //ReL LEXER RULES
  +PERSISTIT   : 'persist' (' ')+ 'on' (' ')+ ;
   SQL     : 'SQL' (' ')+ 'on' (' ')+ ;
   SIM     : 'SIM' (' ')+ 'on' (' ')+ ;
   Neo4j   : 'Neo4j' (' ')+ 'on' (' ')+ ;
  -OORELINSERT: 'relInsert';
  -OORELCOMMIT: 'relCommit';
  +OORELINSERT: 'relInsert' (' ')+ 'on' (' ')+ ;
  +OORELCOMMIT: 'relCommit' (' ')+ 'on' (' ')+ ;
   CONNECTTO:  'connectTo';
   NODEBUG:  'nodebug';
   
  
positive.code: @after {
     $classdef.tree = stype;
  }
      : decorators? (PERSISTIT ON conn_name=NAME
              { 
                  persistant = true; 
                  conn_name_node = actions.makeNameNode($conn_name);
  
negative.code: ASSERT    : 'assert' ;
  BREAK     : 'break' ;
  CLASS     : 'class' ;
  CONTINUE  : 'continue' ;
  DEF       : 'def' ;
  DELETE    : 'del' ;
  