bin/ed/test/u.t

   1 1;r u.t
   2 u
   3 a
   4 hello
   5 world
   6 .
   7 g/./s//x/\
   8 a\
   9 hello\
  10 world
  11 u
  12 u
  13 u
  14 a
  15 hello world!
  16 .
  17 u
  18 1,$d
  19 u
  20 2,3d
  21 u
  22 c
  23 hello world!!
  24 .
  25 u
  26 u
  27 -1;.,+1j
  28 u
  29 u
  30 u
  31 .,+1t$