UNKNOWN_ENC      1406 srclib/apr-util/xml/expat/lib/xmltok.c   return UNKNOWN_ENC;
UNKNOWN_ENC        46 srclib/apr-util/xml/expat/lib/xmltok_ns.c   if (i == UNKNOWN_ENC)
UNKNOWN_ENC        71 srclib/apr-util/xml/expat/lib/xmltok_ns.c   if (i == UNKNOWN_ENC)