Sammy Peeps! The most endearing quality of everyone's favorite Restoration-era diarist, I think, is his charmingly innocent belief that he was a master of linguistic misdirection. "Pepys' diary was written in shorthand so could not easily be read by a casual browser. There are, however, some passages of a secretive nature where, for reasons of concealment or because his passion deserves a special language, he resorts to a private code involving words based on Spanish,…