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      1 grammar t056lexer3;
      2 options {language=JavaScript;}
      3 a : A EOF {this.xlog($A.text+", channel="+$A.channel);} ;
      4 A : '-' WS I ;
      5 I : '0'..'9'+ ;
      6 WS : (' '|'\n') {$channel=HIDDEN;} ;
      7