Index: uspace/lib/cpp/include/impl/iomanip.hpp
===================================================================
--- uspace/lib/cpp/include/impl/iomanip.hpp	(revision 323ae8055d3fba3ff947e7bdc53fe86a2825fd4f)
+++ uspace/lib/cpp/include/impl/iomanip.hpp	(revision cf51eaedefc459622ba914508bd156668467041e)
@@ -51,4 +51,10 @@
     aux::manip_wrapper<aux::setprecision_t> setprecision(int prec);
     aux::manip_wrapper<aux::setw_t> setw(int width);
+
+    /**
+     * 27.7.5, extended manipulators:
+     */
+
+    // TODO: implement
 }