The '+++' variable is set to the second to the last input expression.
(setq a 'eenie) ;returns EENIE (setq b 'meenie) ;returns MEENIE (setq c 'beanie) ;returns BEANIE + ;returns (SETQ C (QUOTE BEANIE)) ++ ;returns (SETQ C (QUOTE BEANIE)) +++ ;returns (SETQ C (QUOTE BEANIE)) + ;returns +
Note: It is best not to use this variable in a program.
See the