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

1.1     ! root        1: procedure main()
        !             2:    while write(infix(read()))
        !             3: end
        !             4: 
        !             5: procedure infix(exp)
        !             6:    return (exp ? form(tab(upto('(')),move(1) & tab(bal(',')),
        !             7:       move(1) & tab(-1))) | exp
        !             8: end
        !             9: 
        !            10: procedure form(op,arg1,arg2)
        !            11:    return "(" || infix(arg1) || op || infix(arg2) || ")" 
        !            12: end

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