[scribus] Render Frame Variables

[Br. Samuel Springuel]

Is there a complete list of the available $scribus_xxx$ variables for a 
render frame somewhere?  I found this:

https://wiki.scribus.net/canvas/Working_with_latex_frames#Specials

But the page is so out of date (30 July 2013) that I'm not sure if the 
information is correct.

In particular I'm wondering if there is a variable that will expand to 
the name of the temporary file created by the render frame.
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Br. Samuel, OSB
St. Anselm’s Abbey
Washington, DC
(R. Padraic Springuel)

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