-<?!("COND:SUBST", 1, "RCPTREQUIRED")><input type="submit" name="send_button" value="<?_("Send message")>"><?!("X", 1)>
-<??("COND:SUBST", 2, "RCPTREQUIRED")><input type="submit" name="send_button" value="<?_("Post message")>"><?!("X", 2)>
+<?!("COND:BSTR", 1, "__RCPTREQUIRED")><input type="submit" name="send_button" value="<?_("Send message")>"><?!("X", 1)>
+<??("COND:BSTR", 2, "__RCPTREQUIRED")><input type="submit" name="send_button" value="<?_("Post message")>"><?!("X", 2)>