+#ifdef LYX_USE_LONG_LONG
+template<>
+string convert<string>(unsigned long long ull)
+{
+ return lexical_cast<string>(ull);
+}
+
+
+template<>
+docstring convert<docstring>(unsigned long long ull)
+{
+ return from_ascii(lexical_cast<string>(ull));
+}
+#endif
+
+