-using lyx::support::compare_ascii_no_case;
-using lyx::support::getFormatFromContents;
-using lyx::support::MakeDisplayPath;
-using lyx::support::split;
-using lyx::support::subst;
+
+namespace lyx {
+
+using support::compare_ascii_no_case;
+using support::getFormatFromContents;
+using support::makeDisplayPath;
+using support::split;
+using support::subst;