code: public XMLString newstr(FastStringBuffer fsb, int start, int length)
    {
      return new XStringForFSB(fsb, start, length);
    }
docs: Create a XMLString from a FastStringBuffer.
  
  
  @param fsb FastStringBuffer reference, which must be non-null.
  @param start The start position in the array.
  @param length The number of characters to read from the array.
  
  @return An XMLString object that wraps the FastStringBuffer reference.