🚀 go-pugleaf

What I mean by n-up is printing n logical pages on one physical
page.  

From what I can figure from the EPS specs, an EPS-processing
program cannot be guaranteed that the last command on a logical
page is a "showpage".  Moreover, it cannot be guaranteed that
the "showpage" is not buried inside a macro that is "bind def"ed.

For example,

%%Page: ? 1
bop % a beginning-of-page macro, which perhaps sets up something
    % (although I don't see what, since everything should have been
    % set up by the prologue; all I can imagine it doing is a "save")
......... % assorted page information
eop % an end-of-page macro, which perhaps completes some output begun
    % by the "...", does a "showpage", and a "restore".
%%Page: ? 2
... and so on ...

Now, merely redefining /showpage doesn't seem to be feasible, since
the /eop macro might have been "bind def"'ed, so that it always
grabs the "official" showpage macro.

Am I misreading the specs?  
(Does anyone already have a program that does n-up printing of EPS files?)
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