\dd Starts a new game, with a random initial state.
-\dt \ii\e{Restart game} (\q{R})
+\dt \ii\e{Restart game}
-\dd Resets the current game to its initial state. Undo is lost.
+\dd Resets the current game to its initial state. (This can be undone.)
\dt \ii\e{Undo} (\q{U}, Ctrl+\q{Z}, Ctrl+\q{_})
\dd Undoes a single move. (You can undo moves back to the start of the
-game.)
+session.)
-\dt \ii\e{Redo} (Ctrl+\q{R})
+\dt \ii\e{Redo} (\q{R}, Ctrl+\q{R})
-\dd Redoes a previous undone move.
+\dd Redoes a previously undone move.
\dt \ii\e{Copy}