4.3BSD-UWisc/lib/learn/editor/L10.3e

#print
Again, remember the possibility of arithmetic
combinations.  If "$" is the last line, what
is the line before the last line?  Type "answer XXX"
where "XXX" is the way you would refer to the line
before the last line of the file.
#copyin
#user
#uncopyin
#match $-1
#match $-
#log
#next
10.3f 10