diff --git a/library/include/df/custom/viewscreen.methods.inc b/library/include/df/custom/viewscreen.methods.inc
index c5d277716..b1f07242e 100644
--- a/library/include/df/custom/viewscreen.methods.inc
+++ b/library/include/df/custom/viewscreen.methods.inc
@@ -1 +1,6 @@
 friend struct df::interfacest;
+void feed_key(df::interface_key key) {
+    std::set<df::interface_key> input;
+    input.insert(key);
+    feed(&input);
+}
diff --git a/library/xml b/library/xml
index fc2570c6c..e60c4259a 160000
--- a/library/xml
+++ b/library/xml
@@ -1 +1 @@
-Subproject commit fc2570c6c0179fcdf48610f0e3eaef7f84908da7
+Subproject commit e60c4259ab9ea9326af42173024a3b3e40fe6688