Fixed horizontal window split garbage separator column; cleaned up debug messages (provision to turn off with *xbug* nil)
Fixed horizontal window split garbage separator column; cleaned up debug messages (provision to turn off with *xbug* nil)

snmsts/lem,cxxxr/lem,cxxxr/lem,cxxxr/lem,snmsts/lem,snmsts/lem,cxxxr/lem,snmsts/lem