Various changes in addition to:

Various changes in addition to:
(Keymap Terminology): `kbd' uses same syntax as Edit Macro mode.
Give more varied examples for `kbd'.
(Creating Keymaps): Char tables have slots for all characters
without modifiers.
(Active Keymaps): `overriding-local-map' and
`overriding-terminal-local-map' also override text property and
overlay keymaps.
(Functions for Key Lookup): Mention OLP arg to `current-active-maps'.
(Scanning Keymaps): `accessible-keymaps' uses `[]' instead of `""'
to denote a prefix of no events.
`map-keymap' includes parent's bindings _recursively_.
Clarify and correct description of `where-is-internal'.
Mention BUFFER-OR-NAME arg to `describe-bindings'.
(Menu Example): For menus intended for use with the keyboard, the
menu items should be bound to characters or real function keys.