anchor.diff:     : ELSE # caseCondElse
      | IS WS? comparisonOperator WS? valueStmt # caseCondIs
      | valueStmt (WS? COMMA WS? valueStmt)* # caseCondValue
  -   | INTEGERLITERAL WS TO WS valueStmt (WS? COMMA WS? valueStmt)* # caseCondTo
  +   | sC_To (WS? COMMA WS? (valueStmt | sC_To))* # caseCondTo
  +   ;
  +
  +sC_To
  +   : INTEGERLITERAL WS TO WS valueStmt
      ;
   
   sendkeysStmt
  
positive.code: * This software may be modified and distributed under the terms
  * of the BSD 3-clause license. See the LICENSE file for details.
  */
  /*
  * Visual Basic 6.0 Grammar for ANTLR4
  *
  * This is an approximate grammar for Visual Basic 6.0, derived 
  * from the Visual Basic 6.0 language reference 
  * http://msdn.microsoft.com/en-us/library/aa338033%28v=vs.60%29.aspx 
  * and tested against MSDN VB6 statement examples as well as several Visual 
  * Basic 6.0 code repositories.
  *
  * Characteristics:
  
negative.code: // letters
  
  fragment LETTER
     : [a-zA-Z_äöüÄÖÜ]
     ;
  
  
  fragment LETTERORDIGIT
     : [a-zA-Z0-9_äöüÄÖÜ]
     ;
  
  // case insensitive chars
  