      *  @private
      *  Check if a number has correct number of fraction digits.
      *
-     *  <p> This method validates if a decimal number has correct number of
+     *  <p>This method validates if a decimal number has correct number of
      *  fraction digits as specified by the <code>fractionalDigits</code>
      *  property. It also checks if a number is supposed to be integer, based
      *  on the <code>domain</code> property. For fraction digits error, it

     *  @private
     *  Check if a number string contains invalid characters.
     *
     *  <p> This method validates if a number string has any characters other
     *  than the caller specified valid characters. Valid characters for numbers
     *  and currency comprise of digits, decimal separator, grouping separator,
     *  negative format characters, currency ISO code, currency symbol and white
     *  space. If any other character is found, then this method returns
     *  <code>false</code>. Otherwise returns <code>true</code>. </p>
     *
     *  @param      input     String representation of number to be validated.
     *  @param      len       int specifying the length of input

     *  @private
     *  Check if input number string has any format or negative symbol errors.
     *
     *  <p>This method validates if an input number string has right format
     *  and does not have multiple negative symbols.
     *  If there is an error, this method returns <code>false</code>. Otherwise
     *  returns <code>true</code>.</p>
     *
     *  @param      input        Input Number string to be checked.
     *  @param      baseField    The field name of the Object being validated.
