Added missing newline in kom_log call.  Doc fixes.  Specify how
multipart contents should be handled by the aux-item
allowed-content-type.

(Who Information): Ditto.
(Membership Information): Added the Text-Id type.
(modify-system-info): Fixed references to argument names in the
	error code descriptions.
(async-text-read): New async message.
(async-invalidate-text-read): New async message.
(Aux-Item Types): Don't use @field for anything but Protocol A
	structure fields.  State that allowed-content-type should be
	applied recursively to all content types.

(async_invalidate_text_read): New function.

(prot_a_async_invalidate_text_read): Ditto.

(mark_as_unread): Send async-invalidate-text-read.
(set_read_ranges): Ditto.
(set_unread): Ditto.
(set_last_read): Ditto.

(set_time): Added a missing newline in a log message.

garb doesn't remove our test data.

to accept it as well as older versions.

	supervisor-only and author-only more accurately (bug 530).

	and other type parameters of aux-item definitions (bug 9).
(Person Status Types, Who Information, Session Information):
	Improved documentation of the username field (bug 196).
(add-member): Fixed documentation of error codes (bug 199).
(async-i-am-on): Fixed error in the message description (bug 200).
(Importing and Exporting E-Mail): Improved documentation on what
	aux-items affect importers (bug 201)

	clients.

(WANT_AUTOCONF): Set it.

warnings during ckprg are detected.

the client to the server!

	the client are separated and terminated.

misnamed, read-ranges is sorted, and the description of what is unread
was outdated.

	the C specification, so say that FLOAT is formatted as %g is
	formatted in the "C" locale.
(Conference Status Types): Fixed the description of the no-of-texts
	field.  It is actually the difference between the first unused
	local text number and first-local-no, and that will differ
	from the number of texts in the conference if a text other
	than the oldest one is removed.
(Membership Information): Document that read-ranges is kept in
	ascending order.
(What do I have unread): Update the description with the version
	11 requests.

	IRIX chokes on them.

was taken.  It should not be updated when the file is changed from
DIRTY to CLEAN state.

(pre_sync): The header should include a timestamp.
(save_one_text): The header should not include a timestamp when the
	"CLEAN" marker is written.  We want the timestamp in the file
	to be the time when the snapshot was taken.