Board Thread:Requests for User Rights/@comment-26239911-20150701162336/@comment-5906901-20150701221616

Undo: Rollback:
 * Can only undo one edit at a time
 * Additional changes can be made
 * Is slower than rollback
 * Summaries can be written
 * Can be used by both regular users and rollbacks
 * Can undo multiple edits at a time if they are performed by the same person in a row
 * Faster than undo
 * Summaries are not written
 * Are always marked as 'minor edit'
 * Can only be used by rollbacks