+ if (g_hash_table_lookup (message->headers, header) == NULL) {
+ /* Only insert if we don't have a value for this header, yet.
+ * This way we always return the FIRST instance of any header
+ * we search for
+ * FIXME: we should be returning ALL instances of a header
+ * or at least provide a way to iterate over them
+ */
+ g_hash_table_insert (message->headers, header, decoded_value);
+ }