diff --git a/doc/sandbox/C++.mdwn b/doc/sandbox/C++.mdwn
new file mode 100644
index 000000000..99275ccd9
--- /dev/null
+++ b/doc/sandbox/C++.mdwn
@@ -0,0 +1 @@
+I've got some code choking on pages with +s in their names.  Let's see...
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