diff --git a/core/numeric/percent.xml b/core/numeric/percent.xml
index 3b30f305..ab87c661 100644
--- a/core/numeric/percent.xml
+++ b/core/numeric/percent.xml
@@ -70,7 +70,6 @@
false
-
false
@@ -78,6 +77,10 @@
+
+
+
+
diff --git a/core/test/core/numeric/percent.xml b/core/test/core/numeric/percent.xml
index 36169fc1..7f62a8df 100644
--- a/core/test/core/numeric/percent.xml
+++ b/core/test/core/numeric/percent.xml
@@ -138,5 +138,41 @@
+
+
+
+ \ref{_rtop_} provides a way to negate the result using a
+ short-hand form for convenience and conciseness.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+