2.11BSD/src/share/learn/editor/L34.2f

#print
Will
 s/ab[^cde]/xyz23/p
change
 xbcabfgh
Type "yes" or "no". (Try it out
first in the editor if you don't know.)
#copyin
#user
#uncopyin
#match yes
#log
#next
34.1b 10