So they are. Nor do i have an argument with that property per se.
However i will offer a few snippets of real function definitions (elaborations is some lexicons):
Ç rûtabber2 ×;i;pv;pv2 [1] ã UNIX Partitioning Tabber [2] pvû×=tab [3] pv2û×=cr [4] iû,8-1+8Í(pv©pv2) ¢2êÒpv [5] rû1+(~pv2)«(pv2©pv)\\i [6] ×[pv/ÉÒpv]û' ' [7] rûr/× ÇOops that did not render properly. Go look for your selves at:
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Figure 5
and:
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and:
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