      *  @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
+     *  <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>
+     *  returns <code>true</code>.</p>
      *
      *  @param      input        Input Number string to be checked.
      *  @param      baseField    The field name of the Object being validated.

    /**
     *  Error message when the value contains invalid characters.
     *
     *  @default The input contains invalid characters."
     *
     *  @langversion 3.0
     *  @playerversion Flash 10.1

    
    // detect if invalid characters are present in input. Caller supplies the
    // valid characters.
    // TODO: The code to check for valid surrogates is repeated in many methods.
    // See if this can be optimized.
    mx_internal function validateInputCharacters(input:String,
                                                 len:int,
                                                 validChars:String):Boolean
