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	inside the "Client-Server Dialog" chapter.
(Special Errors): Moved inside the "Client-Server Dialog" chapter.
(Error Codes): New name for former "Normal Errors".

(mark-as-read): Typo fixed: "as" -> "at".
(create-text): Added missing @misc markup.
(Name Expansion): Removed the "Case Conversion" heading, as the
	collate table is only relevant for "KOM Conventions" name
	expansion.  Update the information with a link to the
	get-collate-table request.
(The User Area (x-kom/user-area)): Added a reference to "The User Area".

	predefined aux-items to the new chapter Aux-Item Types.

(Notation): Section moved from "Overview" to "Fundamentals".
(Client-Server Dialog): Section moved from "Introduction" to "Fundamentals".
(Fundamentals): New name for former chapter "Data Types".
(LysKOM Data Types): Moved from "Data Types" to a separate
	chapter.  All subsections moved up one level.
(Name Expansion): All subsections moved up one level -- the level was wrong.

(Persons and Sessions): Make this a @section instead of a
	@subsection to Conferences.
(The Misc-Info List): Mention that bcc-recpt are converted to
	cc-recpt only when visible.
(Client-Server Dialog): Spelling error fixed.  Mention that
	not-implemented works only if the client follows the strict
	rules regarding whitespace in protocol requests.
(set-conf-type): Name the "four-bit conference type".
(get-conf-stat-old): This returns a Conference-Old, not a Conference.
(Future changes): Complain about super conferences, the securty
	system, and last-text-read/read-texts.

	be removed in the future.  Move such speculation to a new appendix.
(Future changes): New appendix.

(Importing and Exporting E-Mail): Likewise.

(lexer.__parse_userdefined_struct): Likewise.
(lexer.__parse_userdefined_selection): Likewise.
(lexer.__parse_userdefined_enumeration_of): Likewise.

hand side.

(lexer.__parse_userdefined_types): Handle @anchor.
(lexer.__parse_type): Requre @lt markup.
(lexer.__get_lt_token): New method.
(lexer.__get_token): Handle the new tokens '{' and '}'.

(LysKOM Data Types): Likewise.
(@lt): New macro.  Use it in all requests and asynchronous
	messages to mark up the types.

	incompatibilities regarding Latin-1 characters without having
	to clutter the document with @iftex constructs.  Removed all
	related @iftex constructs in the body of the document.  @ae{}
	can be used in both Info and TeX mode; do so.

	usage.  Previously, many but not all examples were introduced
	by a @i{Example:} line.  That line is now included in the
	@reqexample macro, together with a "@need 2000" statement.

(lexer.toplevel_asyncdlink): New method.

	where appropriate.
(Asynchronous Messages): Use @reqlink instead of @req.

	numbered-requests.tmp.  Create asyncs-numbered.tmp.  Omit
	DEBUG_CALLS-only asynchronous messages from "async.h".

@aarg markup for all asynchronous messages, and remove the trailing
semicolon in the argument list.  Merge all indices into one.
(add-member): Malformed sentence fixed.
(async-i-am-off, async-i-am-on-obsolete): Mark as obsolete, and
	tell why they are no longer used.
(async-broadcast): Mark as obsolete.
(Type Index, Request Index): Removed.
(Index): Added.

	__implemented_asyncs.
(lexer): Ignore @defcodeindex and @syncodeindex.
(lexer.toplevel_node): Check for undocumentet arguments to
	asynchronous messages.
(lexer.toplevel_findex): Check for @amindex entries in @findex nodes.
(lexer.toplevel_amindex): New method.
(lexer.__parse_async): New method.
(lexer.toplevel_aarg): Implemented.
(lexer.toplevel_bye): Check for unterminated @amindex nodes and
	undocumented asynchronous messages.

(lexer.toplevel_findex): Check that the same request name isn't used twice.
(lexer.toplevel_bye): Check that all implemented requests are documented.
(lexer.__parse_request): Check that the proper request number is
	used, and that the request is really implemented.

(number_suffixed): New function.
(prot_a_type): New class, with several derived classes.
(reader.error): Allow the line number to be a string, such as '*builtin*'.
(lexer.__init__): Added 'ENUMERATION-OF' to the set of builtin
	aggregates.  Add builtin types to defined_types.
(lexer): Ignore @dots{}.
(lexer.toplevel_bye): Check that all defined types are used.
(lexer.toplevel_tindex): Pass a list of the @tindex entries to
	__parse_userdefined_types, so that that function can check that
	they are all defined.
(lexer.__parse_userdefined_types): Implemented.  Several helper
	functions introduced.
(lexer.__parse_type): Simplified.  Do some error checking and
	bookkeeping.  Return a tuple, so that it is easier for the caller
	to see if an array was used.  All callers updated.
(lexer.__bad_arg): Accept "reservedX" and "flgX" for numerical values of X.
(lexer.__get_token): Handle the new tokens "::=", "|" and "=".
	Ignore comments (introduced with "!").

	Nothing else uses "_".  The only user updated.
(LysKOM Data Types): Missing semicolon added.

(Simple Data Types): Use "::=" instead of ":" in two places.
	Added missing @example...@end example markup.  Fixed the
	SELECTION example -- the tail is not optional.

	__builtin_typelike, __tindex_seen and __types_used.
(lexer.__seen_type): New method.
(lexer.toplevel_tindex): Implement.
(lexer.__parse_userdefined_types): New method, not yet implemented.
(lexer.__bad_type): Check that the casing rules for user-defined
	types are adhered to.