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Annotation of 43BSD/contrib/icon/book/f/exor2.icn, revision 1.1

1.1     ! root        1: procedure exor(s1,s2)
        !             2:    count := 0
        !             3:    while line := read() do
        !             4:       if find(s1,line) then {
        !             5:          if not find(s2,line) then count := count + 1
        !             6:          }
        !             7:       else if find(s2,line) then count := count + 1
        !             8:    return count
        !             9: end

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