update

[mdref/mdref.m6w6.name] / mdref

diff --git a/mdref b/mdref
index 687f5fcb8de9250739a01d5855faa868f593fb73..1a47ca724382ee022cfdbef64da2ed9565cae93a 160000 (submodule)
--- a/mdref
+++ b/mdref
@@ -1 +1 @@
-Subproject commit 687f5fcb8de9250739a01d5855faa868f593fb73
+Subproject commit 1a47ca724382ee022cfdbef64da2ed9565cae93a