add deprecation file
diff --git a/DEPRECATED b/DEPRECATED
new file mode 100644
index 0000000..df1371c
--- /dev/null
+++ b/DEPRECATED
@@ -0,0 +1,7 @@
+This repository is deprecated. Further changes should not be made here.
+
+This repository's contents have been moved into the main
+webtools.sourceediting repository under the xpath/tests/ path. Its
+clone URL can be found on 
+https://git.eclipse.org/r/#/admin/projects/sourceediting/webtools.sourceediting .
+This is not, itself, a cloneable URL.