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Annotation of 42BSD/usr.lib/learn/editor/L36.2a, revision 1.1

1.1     ! root        1: #print
        !             2: So far all the special characters in the substitute
        !             3: command are used to select the string to be replaced.
        !             4: There is one character used in the new string to be inserted.
        !             5: It is '&' which when used on the right hand side of a substitution,
        !             6: refers to the expression given on the left hand side.
        !             7: For example, the command
        !             8: 
        !             9: s/the/&m/
        !            10: 
        !            11: changes "the" into "them".  Try that on file "text";
        !            12: then rewrite the file and type "ready".
        !            13: #create Ref
        !            14: we went to see them yesterday.
        !            15: #create text
        !            16: we went to see the yesterday.
        !            17: #user
        !            18: #cmp text Ref
        !            19: #log
        !            20: #next
        !            21: 36.2b 5

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