There is a story. A bridegroom was selected. So, the other party, bride's party, they inquired how the bridegroom was quite qualified. So they said, "He's a doctor." Then they inquired, "What kind of doctor? Doctor of philosophy, doctor of medicine or": 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.