diff --git a/doc/data/clean-whitespace.csv b/doc/data/clean-whitespace.csv
new file mode 100644
index 000000000..655f65a1b
--- /dev/null
+++ b/doc/data/clean-whitespace.csv
@@ -0,0 +1,4 @@
+  Name  , Preference  
+  Ann  Simons,  blue  
+Bob Wang  , red       
+ Carol  Vee,    yellow