result in the server sending garbage to clients.

	overlap.

(default_save): New constant.
(saved_by_aux): New static helper function.
(saved_by_recipient): Ditto.
(saved_by_comment): Ditto.
(saved): Ditto.
(garb_text): Use the saved() function to simplify code.

we cannot fix.  (Bug 974).

	number of suppressed memory leaks.  Ignore up to 25 suppressed
	leaks.  Don't ignore any reachable leaks.

memory leaks.

(do_set_etc_motd): Call it.  Clean up variable names.

(do_set_presentation): Call it.  Clean up variable names, and
	remember the text statuses of the old and new presentation so
	they can be passed to send_async_new_presentation().  Include
	the text number of the old presentation in the error message
	that is printed if the old presentation lacks a mark.

(client_extracting_expect): New proc.

(isc_insert): Changed return type to void.