--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/test/tools/doclint/tidy/InvalidEntity.java	Mon Dec 17 07:47:05 2012 -0800
@@ -0,0 +1,20 @@
+/*
+ * @test /nodynamiccopyright/
+ * @library ..
+ * @build DocLintTester
+ * @run main DocLintTester -ref InvalidEntity.out InvalidEntity.java
+ */
+
+// tidy: Warning: replacing invalid numeric character reference .*
+
+// See
+// http://www.w3.org/TR/html4/sgml/entities.html
+// http://stackoverflow.com/questions/631406/what-is-the-difference-between-em-dash-151-and-8212
+
+/**
+ * 
+ * 
+ * &splodge;
+ *
+ */
+public class InvalidEntity { }