Add warning comment to 2013/dlowe/try.sh

It is important that this script does NOT prompt the user for each run
as this will break diff.sh. It might have been good if another script
allowed this but issue 3 is drawing to a close (as we all want) and it's
not that big of a deal anyway.

2013/dlowe/try.sh

@@ -15,6 +15,9 @@ make CC="$CC" all >/dev/null || exit 1
 # clear screen after compilation so that only the entry is shown
 clear
 
+# NOTE: do NOT change this to prompt the user for each command as this will
+# break the script diff.sh.
+#
 echo "$ ./dlowe 0 1 2 3 4 5 6 7"
 ./dlowe 0 1 2 3 4 5 6 7
 echo