anchor.diff:          /// 
           /// <example id="powop-example">
           /// <code lang="fsharp">
  -        ///
  +        /// 2.0 ** 3 // evaluates to 8.0
           /// </code>
           /// </example>
           ///  
  
positive.code:         /// 
          /// <example id="tanh-example">
          /// <code lang="fsharp">
          ///
          /// </code>
          /// </example>
          ///  
  
negative.code:         /// 
          /// <example id="decimal-example">
          /// <code lang="fsharp">
          /// decimal "42.23" // evaluates to 42.23M
          /// decimal 0xff    // evaluates to 255M
          /// decimal -10     // evaluates to -10M
          /// </code>
          /// </example>
          ///  
  