* doc/bison.texinfo (Actions): Make clear that `|' is not the same

as Lex/Flex'.
(Debugging): More details about enabling the debugging features.
(Table of Symbols): Describe $$, $n, @$, and @n.
Suggested by Tim Josling.

THANKS

@@ -41,6 +41,7 @@ Piotr Gackiewicz        [email protected]
 Richard Stallman        [email protected]
 Robert Anisko           [email protected]
 Shura                   [email protected]
+Tim Josling             [email protected]
 Tom Lane                [email protected]
 Tom Tromey              [email protected]
 Wayne Green             [email protected]