diff --git a/sandbox.mdwn b/sandbox.mdwn
index b3182dd04addae34ffddb37670d579464177ceb5..8d909ca3c2d99db495eef88ae0cc5bc7b46661ce 100644
--- a/sandbox.mdwn
+++ b/sandbox.mdwn
@@ -9,7 +9,8 @@ Here's another one with *emphasised* text.
 # Header
 
 ## Subheader
-<a id="test"></a>
+<a id="test">&nbsp;</a>
+
 > This is a blockquote.
 >
 > This is the first level of quoting.