+
+/**
+ * modest_text_utils_remove_duplicate_addresses
+ * @address_list: non-NULL string with a comma-separated list of email addresses
+ *
+ * remove duplicate addresses from a list of email addresses
+ *
+ * Returns: a newly allocated string containing the new list, or NULL
+ * in case of error or the original @address_list was NULL
+ */
+gchar* modest_text_utils_remove_duplicate_addresses (const gchar *address_list);
+
+
+