backed out 648b42a75739, which was a NON-trivial whitespace commit.  It broke the Typography class's string replacements, for instance
diff --git a/user_guide/database/table_data.html b/user_guide/database/table_data.html
index 631e3b9..a2aaa99 100644
--- a/user_guide/database/table_data.html
+++ b/user_guide/database/table_data.html
@@ -65,7 +65,7 @@
 
 <h2>$this->db->list_tables();</h2>
 
-<p>Returns an array containing the names of all the tables in the database you are currently connected to. Example:</p>
+<p>Returns an array containing the names of all the tables in the database you are currently connected to.  Example:</p>
 
 <code>$tables = $this->db->list_tables();<br />
 <br />
@@ -79,7 +79,7 @@
 <h2>$this->db->table_exists();</h2>
 
 <p>Sometimes it's helpful to know whether a particular table exists before running an operation on it.
-Returns a boolean TRUE/FALSE. Usage example:</p>
+Returns a boolean TRUE/FALSE.  Usage example:</p>
 
 <code>
 if ($this->db->table_exists('table_name'))<br />
@@ -88,7 +88,7 @@
 }
 </code>
 
-<p>Note: Replace <em>table_name</em> with the name of the table you are looking for.</p>
+<p>Note:  Replace <em>table_name</em> with the name of the table you are looking for.</p>