More Doc updates.  cmdedit and more termio fixes.
diff --git a/length.c b/length.c
index 00e5a17..4cbe7e1 100644
--- a/length.c
+++ b/length.c
@@ -9,6 +9,6 @@
 	if (argc != 2 || **(argv + 1) == '-') {
 		usage("length string\n");
 	}
-	printf("%d\n", strlen(argv[1]));
+	printf("%lu\n", (long)strlen(argv[1]));
 	return (TRUE);
 }