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Annotation of 43BSD/contrib/icon/book/15/parsexp.icn, revision 1.1

1.1     ! root        1: procedure main()
        !             2:    while writes(line := read()) do
        !             3:       if line ? (X() & pos(0)) then write(" accepted")
        !             4:       else write(" rejected")
        !             5: end
        !             6: 
        !             7: procedure T()
        !             8:    suspend ["T",E()] | ["T",E(),="*",T()]
        !             9: end
        !            10: 
        !            11: procedure E()
        !            12:    suspend ["E",=("x" | "y" | "z")] | ["E",="(",X(),=")"]
        !            13: end
        !            14: 
        !            15: procedure X()
        !            16:    suspend ["X",T()] | ["X",T(),="+",X()]
        !            17: end

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