trailoptions directive is supplied by the
trail plugin. It sets options for the
trail represented by this page.
[[!trailoptions sort="meta(title)" circular="no"]]
sort: sets a sorting order for the entire trail, overriding the order in which they were added
reverse: reverses the order of the trail
circular: if set to
1, the trail is made into a loop by making the last page's "next" link point to the first page, and the first page's "previous" link point to the last page