Merge branch 'MAINT_3_5_3' into QA_3_5

tbl_export.php

@@ -39,10 +39,10 @@ if (! empty($sql_query)) {
         $temp_sql_array = explode("where", strtolower($sql_query));
 
         // The fields which is going to select will remain
-        // as it is regardless of the where clause.
+        // as it is regardless of the where clause(s).
         // EX :- The part "SELECT `id`, `name` FROM `customers`"
         // will remain same when representing the resulted rows
-        // from the following query
+        // from the following query,
         // "SELECT `id`, `name` FROM `customers` WHERE id NOT IN
         //  ( SELECT id FROM companies WHERE name LIKE '%u%')"
         $sql_query = $temp_sql_array[0];