Given a revision list, there is currently no way to get their status, timestamp, author ...
The list system works by timestamp ordering, not for an arbitrary list of revisions.
Example usage :
When tracking pending merges, the list of revisions is not contiguous. It might be
useful to get those revisions status to check if we can safely merge them.
$ svn mergeinfo --show-revs eligible trunk/extensions/CodeReview branches/wmf/1.16wmf4/extensions/CodeReview
Version: unspecified
Severity: enhancement