(allout-chart-subtree, allout-rebullet-topic-grunt): Don't mention in the

(allout-chart-subtree, allout-rebullet-topic-grunt): Don't mention in the
docstring these arguments meant for internal (recursive) use only.
(allout-char-spec): Comment out (it's not implemented).
(allout-old-expose-topic, allout-exposure): Fix docstring and add obsolescence
declaration.
(allout-flatten-exposed-to-buffer, allout-indented-exposed-to-buffer): Fix typos
in docstring.
(my-mark-marker): Doc fix.
(produce-allout-mode-map, allout-sibling-index, allout-isearch-expose)
(allout-distinctive-bullet, allout-open-topic, allout-reindent-body)
(allout-rebullet-heading, allout-process-exposed, allout-insert-listified)
(allout-latex-verb-quote, allout-insert-latex-header)
(allout-insert-latex-trailer): Make arguments match their use in
docstring.
(allout-primary-bullet, allout-old-style-prefixes, allout-inhibit-protection)
(allout-init, allout-mode, allout-before-change-protect, allout-flag-region):
Use "Emacs" instead of "emacs" in docstrings.