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Annotation of 42BSD/usr.lib/learn/editor/L18.2a, revision 1.1.1.1

1.1       root        1: #print
                      2: Once in a while you want to add text just before
                      3: a certain line, rather than just after it.  For this purpose
                      4: there is a command 'i' (insert) which is just like 'a'
                      5: except that the new material goes before the addressed line,
                      6: instead of after it.  For example,
                      7:   3i
                      8: is the same as
                      9:   2a
                     10: Try this sequence, which prints the editor buffer before
                     11: and after the insertion, to see what happens.
                     12: 
                     13: ex cars
                     14: 1,$p
                     15: 3i
                     16: lincoln
                     17: chevrolet
                     18: .
                     19: 1,$p
                     20: wq
                     21: ready
                     22: #create Ref
                     23: ford
                     24: mercury
                     25: lincoln
                     26: chevrolet
                     27: buick
                     28: pontiac
                     29: oldsmobile
                     30: #create cars
                     31: ford
                     32: mercury
                     33: buick
                     34: pontiac
                     35: oldsmobile
                     36: #user
                     37: #cmp cars Ref
                     38: #log
                     39: #next
                     40: 18.2c 7
                     41: 18.3a 3

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