logback-android/src/main/java/ch/qos/logback/core/pattern/parser/Parser.java
Node E() throws ScanException {
    Node t = T();
    if (t == null) {
      return null;
    }
    Node eOpt = Eopt();
    if (eOpt != null) {
      t.setNext(eOpt);
    }
    return t;
  }
Node E() throws ScanException {
    Node t = T();
    if (t == null) {
      return null;
    }
    Node eOpt = Eopt();
    if (eOpt != null) {
      t.setNext(eOpt);
    }
    return t;
  }
Node E ( ) throws ScanException { Node t = T ( ) ; if ( t == null ) { return null ; } Node eOpt = Eopt ( ) ; if ( eOpt != null ) { t . setNext ( eOpt ) ; } return t ; }
E = TEopt
E = TEopt