* emacs-lisp/easymenu.el (easy-menu-define): Docstring :label and
:help of the menu itself.
if the expression evaluates to a non-nil value. `:enable' is
an alias for `:active'.
+ :label FORM
+ FORM is an expression that is dynamically evaluated and whose
+ value serves as the menu's label (the default is the first
+ element of MENU).
+
+ :help HELP
+ HELP is a string, the help to display for the menu.
+ In a GUI this is a \"tooltip\" on the menu button. (Though
+ in Lucid :help is not shown for the top-level menu bar, only
+ for sub-menus.)
+
The rest of the elements in MENU are menu items.
A menu item can be a vector of three elements: