Cross Reference: /src/bin/ed/test/i.t

      1  1.1  cgd 1i
      2  1.1  cgd hello world
      3  1.1  cgd .
      4  1.1  cgd 2i
      5  1.1  cgd hello world!
      6  1.1  cgd .
      7  1.1  cgd $i
      8  1.1  cgd hello world!!
      9  1.1  cgd .
     10