Allow Mark_type 0.

lookup_person() and lookup_conf().
client-version support.

src/include/ChangeLog

+Thu Aug  5 00:52:50 1993  Per Cederqvist  (ceder@lysator.liu.se)
+
+	* kom-errno.h (KOM_NOT_MARKED): New error number.
+
+	* services.h (set_client_version, get_client_name,
+	get_client_version): New functions.
+
+	* services.h (lookup_person, lookup_conf): New functions.
+
+	* services.h (mark_text_old, mark_text, unmark_text): New
+	functions. The previous function mark_text() is removed.
+
+	* services.h (create_text, create_anonymous_text): The first
+	argument is const in the server as well as in the client.
+
 Thu Feb 25 00:01:40 1993  Linus Tolke Y  (linus@bodil)
 
 	* services.h (register_saving): New function.