Possible compatibility problems with earlier versions marked with '*'.
+--- 1.9.1 2002/MM/DD
+
+Added more Bib-1 diagnostics (approved extensions).
+
+Better check for iconv.
+
+More portable use of accept, getpeername. Check for socklen_t. Use
+int/size_t if socklen_t is not defined.
+
--- 1.9 2002/09/06
PQF parser rejects bad queries - including those with extra