mainly new comments

lang/m2/libm2/stackprio.c

@@ -1,3 +1,13 @@
+/*
+  (c) copyright 1988 by the Vrije Universiteit, Amsterdam, The Netherlands.
+  See the copyright notice in the ACK home directory, in the file "Copyright".
+*/
+
+/*
+  Module:	Dummy priority routines
+  Author:	Ceriel J.H. Jacobs
+  Version:	$Header$
+*/
 _stackprio(n)
 {
 }