anchor.diff:          |   STRING_LITERAL)
   	;
   
  -inLineExpr : expr NEWLINE
  +inLineExpr
  +    : expr NEWLINE
  +    | nodeProduction
       ;
   
   expr :  '(' expr ')'						  #parensExpr
  
positive.code: LTE      : '<=';
  EQ		 : '==';
  NEQ      : '!=';
  
  BEGIN: 'begin';
  END: 'end';
  
negative.code: mfparams:	expr(',' expr)* 
  	;
  
  path 	:	(IDENT | MFNAME | THIS)('.' (MFNAME | IDENT))* (LSQUARE pathIndex RSQUARE)?
          |   REF IDENT('.' IDENT)*
          |   SELECT IDENT('.' IDENT)*
  	;
  