useful when the format string is not a C string
literal).
It is advisable to always escape curly braces that
are meant to be copied to the output as ordinary characters.&#13;</P
><P
>&#13;Each tag is introduced by the character "%",
followed by an optional minimum field width,
followed by tag contents in curly braces ({}).
If the minimum field width value is provided the tag
will be expanded and the result padded to achieve the minimum width.
If the minimum field width is positive, the padding will right-al