On 2/22/13 11:01 AM, Andrew Sullivan wrote: > Without getting into metaphysics, we can think of the dot in the > presentation format as representing the separators in the wire > format. In the wire format, of course, these separators are octets > that indicate the size of the next label. And since the final label > is null, the separator indicates a zero length in the wire format. > Therefore, in the presentation format, the final separator is > indicative of the (null) root label after.
just keep in mind that while "." ought to be a label separator, the utc's bidi algorithm allows the directionality of a label to "leak" across the "period" character, where it is not a terminal character. hilarity ensues.
