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Annotation of 42BSD/usr.lib/learn/editor/L20.1a, revision 1.1

1.1     ! root        1: #print
        !             2: You can now change a line of a file, using only the commands
        !             3: already taught, by deleting the old line and inserting a new one.
        !             4: This is not a very convenient way to do that, so there is a
        !             5: command 'c' (change) which combines those operations.
        !             6:   5c
        !             7:   input text
        !             8:   here.
        !             9:   .
        !            10: will delete line 5 and replace it by the lines
        !            11: 
        !            12: input text
        !            13: here.
        !            14: 
        !            15: Note that the text following 'c', just like the text after 'i' and
        !            16: 'a', must end with a line containing just one '.' and nothing else.
        !            17: This directory contains a file named 'short'
        !            18: with six lines in it.  Change the last line to read
        !            19: 
        !            20: new version of last line
        !            21: 
        !            22: and rewrite the file; then end with "ready".
        !            23: #create Ref
        !            24: This is a short file
        !            25: which contains exactly
        !            26: six lines of text
        !            27: of which you are
        !            28: to change the last line
        !            29: new version of last line
        !            30: #create short
        !            31: This is a short file
        !            32: which contains exactly
        !            33: six lines of text
        !            34: of which you are
        !            35: to change the last line
        !            36: this is the last line.
        !            37: #user
        !            38: #cmp Ref short
        !            39: #log
        !            40: #next
        !            41: 21.1a 10

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