I'm experimenting with some variations based on ideas here and elsewhere (BTW, thanks for being so much friendlier than codereview.stackexchange.com! OMG, they are tightly wound).

Thanks, again!

In reply to Re^3: Assigning default values to function arguments which may be �empty� by Wyrdweaver
in thread Assigning default values to function arguments which may be “empty” by Wyrdweaver

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