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

1.1     ! root        1: procedure ltree(stree)
        !             2:    local a
        !             3:    stree ?
        !             4:       if a := [tab(upto('('))] then {  # start with value
        !             5:          move(1)
        !             6:                                        # add subtrees
        !             7:          while put(a,ltree(tab(bal(',)')))) do
        !             8:             move(1)
        !             9:          }
        !            10:       else a := [tab(0)]               # leaf
        !            11:    return a
        !            12: end

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