-using lyx::support::compare_ascii_no_case;
-using lyx::support::isStrDbl;
-using lyx::support::isStrInt;
-using lyx::support::ltrim;
-using lyx::support::prefixIs;
-using lyx::support::subst;
-using lyx::support::trim;
+#include <sstream>
+
+
+namespace lyx {
+
+using support::compare_ascii_no_case;
+using support::isStrDbl;
+using support::isStrInt;
+using support::ltrim;
+using support::prefixIs;
+using support::subst;
+using support::trim;