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Annotation of 43BSD/contrib/icon/book/16/stree.icn, revision 1.1

1.1     ! root        1: procedure stree(ltree)
        !             2:    local s
        !             3:    if *ltree = 1 then return ltree[1]    # start with leaf
        !             4:    s := ltree[1] || "("                          # append value
        !             5:                                          # append stree
        !             6:    every s ||:= stree(ltree[2 to *ltree]) || ","
        !             7:    return s[1:-1] || ")"
        !             8: end

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