2 files changed, 4 insertions, 0 deletions

diff --git a/include/opkele/data.h b/include/opkele/data.h
index d0b0516..904b5ae 100644
--- a/include/opkele/data.h
+++ b/include/opkele/data.h
@@ -7,12 +7,14 @@
 namespace opkele {
 
     /**
      * @brief internal data opkele namespace
      */
     namespace data {
         extern const char *_default_p;
         extern const char *_default_g;
+        extern const char *_iname_leaders;
+        extern const char *_whitespace_chars;
     }
 }
 
 #endif /* __OPKELE_DATA_H */
diff --git a/include/opkele/util.h b/include/opkele/util.h
index 60955e1..fd974a1 100644
--- a/include/opkele/util.h
+++ b/include/opkele/util.h
@@ -79,16 +79,18 @@ namespace opkele {
          * expected to have scheme: in front of it.
          * @param uri URI
          * @return normalized URI
          * @throw not_implemented in case of non-httpi(s) URI
          * @throw bad_input in case of malformed URI
          */
         string rfc_3986_normalize_uri(const string& uri);
 
+        string normalize_identifier(const string& usi,bool strip_fragment);
+
         /**
          * Match URI against realm
          * @param uri URI to match
          * @param realm realm to match against
          * @return true if URI matches realm
          */
         bool uri_matches_realm(const string& uri,const string& realm);