anchor.diff:      ;
   
   modifyColProperties
  -    : columnName dataType? (DEFAULT expr)? (ENCRYPT encryptionSpec | DECRYPT)? inlineConstraint* 
  +    : columnName dataType? (DEFAULT expr)? (ENCRYPT encryptionSpecification_ | DECRYPT)? inlineConstraint* 
       ;
   
   modifyColSubstitutable
  
positive.code: import Symbol, Keyword, Literals, BaseRule;
  
  createTable
      : CREATE temporaryClause_ TABLE tableName createDefinitionClause_
      ;
  
  createIndex
  
negative.code:     : TRUNCATE TABLE tableName
      ;
  
  createSpecification_
      : (GLOBAL TEMPORARY)?
      ;
  
  