Filipe Paiva - 2010-07-02

I found the postscript tool which can re-arange the pages. It almost does want
I want: it puts two A5 pages onto one A4. But how can I do that in booklet
order (page 4 and page 1, them page 2 and page 3, for a for pages booklet, for
example). Probably I should give the correct parameters to pstops, but I do
not understand the syntax of pstops.