Possible compatibility problems with earlier versions marked with '*'.
+Added option -p <file> to make Generic Frontend Server to write PID file.
+
+Added option -D to put Generic Frontend Server in background on its own.
+
+Make ZOOM C recognize option "password". If unset, "pass" is used
+(for backwards compatibility).
+
Fixed a bug in Generic Frontend Server that could make it crash if a
client sets characterSetNegotation bit, but didn't pass negotiation stuff
in InitRequest.