Get sticky date information.
May return null if no date information is available. If so, you should
check for tag informaton. Note that tag and date information cannot both
be present.
the date, or null if none is present
Get the sticky tag information.
May return null if no tag information was present. If so, you should
check for date information. Note that tag and date information cannot
both be present.
the tag, or null if none is present