Hi y’all,
this is a scratch counter from the simpleslides module. It doesn’t work any more (always shows max-1), and I guess it used to.
What’s wrong?

Hraban


"""
\startuseMPgraphic{MP:ornament}
StartPage ;

save a,b ;
numeric a,b ;
a = 7mm ;
b = PaperWidth/2 - NOfPages * 2.5pt ;

save p,q; path p,q ;
p =((0,5mm)    -- (1mm,11mm)) shifted (b,0) ;
q =((-8mm,5mm) -- (0,11mm)  ) shifted (b,0) ;

pickup pencircle scaled 3pt ;
for i := NOfPages-1 downto 1:
  draw (if i mod 5 = 0 : q else : p fi)
       shifted (i*5pt, 0pt)
       withcolor if i < PageNumber : red
                 else :              black
                 fi ;
endfor ;
StopPage ;
\stopuseMPgraphic

\defineoverlay[background:ornament][\useMPgraphic{MP:ornament}]
\setupbackgrounds[page][background={background:ornament}]

\setupbodyfont[ss,18pt]

\starttext

\dorecurse{10}{
  \strut\par
  \page
}

\stoptext
"""
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