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Annotation of 43BSD/usr.lib/learn/editor/L36.2a, revision 1.1.1.1

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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