Commit Briefs
add rcmain startup for rc.
maintains window label with current directory in 9term
various shell script fixes.
add 9a, 9c, 9l wrapper scripts. label sets label on xterm/9term
make -> mk
remove clumsy stack hack. fix exec. fix nthreads maintenance. fix threadexitsall not to kill self. add sun support.
make -> mk
use $HOME/mnt/plumb as named pipe.
make -> mk
change %u from verb to flag.
Add drawsetlabel(Display*, char*).
Turn window destruction into "hangup" note. Fix (?) snarf buffer management. Add latin1 keyboard translation.