--- 1.8.6 2002/MM/DD
-Fixed BER decoding of OPTIONAL CHOICE.
+Added function yaz_marc_decode that decodes MARC for line mode
+display or XML.
+
+Fixed BER decoding of OPTIONAL CHOICE. The bug didn't affect the
+Z39.50. But ISO/ILL was, however.
Added patch by Rustam T. Usmanov that implements Z39.50 duplicate
detection service (Z39.50-1995 Amendment 2) and Language Negotiation (3).