anchor.diff:          /// is requested.</remarks>
           ///
           /// <param name="generator">The generating function for the sequence.</param>
  +        /// <returns>The result sequence.</returns>
  +        ///
  +        /// <example id="delay-1">
  +        /// <code lang="fsharp">
  +        /// Seq.delay (fun () -> Seq.ofList [1; 2; 3])
  +        /// </code>
  +        /// Evaluates to <c>seq [1; 2; 3]</c>, executing
  +        /// the generator function every time is consumed.
  +        /// </example>
           [<CompiledName("Delay")>]
  -        val delay   : generator:(unit -> seq<'T>) -> seq<'T>
  +        val delay: generator:(unit -> seq<'T>) -> seq<'T>
   
           /// <summary>Returns a sequence that contains no duplicate entries according to generic hash and
           /// equality comparisons on the entries.
  
positive.code:         /// <param name="source">The input sequence of type T.</param>
          ///
          /// <returns>The result sequence.</returns>
          /// 
          /// <exception cref="T:System.ArgumentNullException">Thrown when the input sequence is null.</exception>
          [<CompiledName("Choose")>]
  
negative.code:         ///
          /// <returns>The result sequence.</returns>
          ///
          /// <example id="all-pairs-1">
          /// <code lang="fsharp">
          /// ([1; 2], [3; 4]) ||> Seq.allPairs
          /// </code>
          /// Evaluates to
          /// <code>
          /// seq [(1, 3); (1, 4); (2, 3); (2, 4)]
          /// </code>
          /// </example>
          ///
          /// <exception cref="T:System.ArgumentNullException">Thrown when either of the input sequences is null.</exception>
          [<CompiledName("AllPairs")>]
          val allPairs: source1:seq<'T1> -> source2:seq<'T2> -> seq<'T1 * 'T2>
  