boost::scoped_ptr<Private> pimpl_;
};
-// utf8_to_ucs4
+/// This is implemented in lyx_main.C for the LyX program
+/// and in client.C for the LyX client program.
+extern IconvProcessor & utf8ToUcs4();
// A single codepoint conversion for utf8_to_ucs4 does not make
// sense, so that function is left out.