diff --git a/coding/multilang_utf8_string.hpp b/coding/multilang_utf8_string.hpp
index 3c5603ea89..2d40a8bf77 100644
--- a/coding/multilang_utf8_string.hpp
+++ b/coding/multilang_utf8_string.hpp
@@ -91,3 +91,21 @@ public:
     utils::ReadString(src, m_s);
   }
 };
+
+string DebugPrint(StringUtf8Multilang const & s)
+{
+  string out;
+  struct Printer
+  {
+    string & m_out;
+    Printer(string & out) : m_out(out) {}
+    bool operator()(int8_t code, string const & name) const
+    {
+      m_out += string(StringUtf8Multilang::GetLangByCode(code)) + string(":") + name + " ";
+      return true;
+    }
+  } printer(out);
+
+  s.ForEachRef(printer);
+  return out;
+}