4.3BSD-UWisc/lib/learn/editor/L15.2d

#print
As we mentioned, you can add several lines at once.  Here is
a set of lines; go into the editor, append them, write them
on a file named "fruit", and then leave the editor and
type "ready".
#create Ref
apple
peach
pear
plum
nectarine
orange
#print Ref
#user
#cmp Ref fruit
#log
#next
16.1a 10
15.3e 5