change bug163 to use actual non-letter in identifier
change bug163 to use actual non-letter in identifier

R=r,iant
DELTA=1  (0 added, 0 deleted, 1 changed)
OCL=31146
CL=31148

tav/go,tav/go,tav/go,tav/go,tav/go,tav/go,tav/go