When we inquire from a friend whether everything is well, we are concerned not only with his personal self but also with his family, his source of income, and his assistants or servants. All of them must be well, and then a person can be happy: Revision history
Diff selection: Mark the radio buttons of the revisions to compare and hit enter or the button at the bottom.
Legend: (cur) = difference with latest revision, (prev) = difference with preceding revision, m = minor edit.