diff -r a9d254d5ff81 -r 4aa6d94aed43 docs/HISTORY.txt
--- a/docs/HISTORY.txt	Fri Dec 14 15:45:30 2018 +0100
+++ b/docs/HISTORY.txt	Fri Dec 14 18:36:51 2018 +0100
@@ -1,6 +1,10 @@
 History
 =======
 
+0.1.13.1
+--------
+ - force OID lowercase when searching for internal references
+
 0.1.13
 ------
  - added "oid" TALES extension