Simplified code.

	Simplified code.

(is_member_in_recpt): Ditto.
(do_sub_recpt): Ditto.
(is_sender): Ditto.
(filter_secret_info): Ditto.
(person_text_read_access): Ditto.
(do_delete_text): Ditto.
(check_double_subm): Ditto.
(check_double_comm): Ditto.
(create_text_check_misc): Ditto.
(create_text_add_aux): Ditto.
(is_comment_to): Adjusted to Info_datum unification.
(is_footnote_to): Ditto.
(do_add_footnote): Ditto.
(do_add_comment): Ditto.
(do_add_bcc_recpt): Ditto.
(do_add_cc_recpt): Ditto.
(do_sub_comment): Ditto.
(do_sub_footnote): Ditto.
(is_comm_sender): Ditto.
(create_text_add_miscs): Ditto.

the others.  All FIXME comments now use the same format.  Remove
unneeded casts.  Log warning messages for two conditions that should
never occur.

remaining FIXME comments.

(access_perm_helper): Log a warning if viewer_p == NULL.

(logout_client): Log a warning message if active_connection != NULL.

enter these things into Bugzilla, since numlist.c isn't used.

(rcsid): Removed.

Code cleanup.
Enter "Future Changes" notes into Bugzilla.
Handle @w{} in Protocol-A.texi, and refine the checkargs.py.

(find_aux_item_definition): Ditto.
(find_aux_item_index): Ditto.
(find_aux_item): Ditto.

(find_aux_item_definition): Added static modifier.
(find_aux_item_index): Ditto.
(aux_item_add_perm): Ditto.
(find_aux_item): Ditto.
(aux_item_trigger_mirror_faq): Ditto.
(aux_item_trigger_link_item): Ditto.
(aux_item_validate_existing_text): Ditto.
(aux_item_trigger_mark_text): Ditto.
(aux_item_trigger_unmark_text): Ditto.

	of lexer.ignore, for @code, @uref, @footnote, @email, @asis,
	@samp, @pxref, @var, @emph, @xref, @badspell, @holl and @file.
(lexer.__read_arg): Handle nested braces properly.

	Bugzilla.  (Bug 131).

	elisp-client and kom++.  Updated the documentation to the
	current practice.
(Future changes): Added a link to Bugzilla for one of the ideas.

	comment documenting that that is OK.