細部の修正

modules/chat.mod.php

@@ -17,9 +17,8 @@ Chat
             user_id,
             text)
           VALUES
-            (
-              {$this -> user_id},
-              '{$this -> text}')";
+            ({$this -> user_id},
+             '{$this -> text}')";
     $GLOBALS['__db_connection'] -> query ($sql)
         or die ("db_insert error $sql");
   }