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--- a/src/pathut.h
+++ b/src/pathut.h
@@ -52,6 +52,7 @@
 /// Encode according to rfc 1738
 extern std::string url_encode(const std::string& url,
                               std::string::size_type offs = 0);
+extern std::string url_decode(const std::string& encoded);
 //// Convert to file path if url is like file://. This modifies the
 //// input (and returns a copy for convenience)
 extern std::string fileurltolocalpath(std::string url);