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From: Berend de Boer <berend@pobox.com>
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Subject: Metaerror?
Date: Thu, 14 Sep 2000 08:45:25 +0200
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Hello All,

Running this file produces (on my system) a page with the same fore and
background graphic, i.e. the overlay graphic disappears and is replaced
by the other mpgraphic. I run the latest stuff, with all the options in
cont-sys.tex

I tried to remove the recycle slots option, but that didn't work either.

% interface=en

\setupcolors
  [state=start]

\startuniqueMPgraphic{concept} 
  draw btex \bf CONCEPT etex rotated 60 withcolor .8white ; 
  currentpicture := currentpicture ysized (\overlayheight-.5cm) ; 
\stopuniqueMPgraphic

\defineoverlay
  [concept]
  [\uniqueMPgraphic{concept}]

\setupbackgrounds
  [page]
  [background=concept]

\starttext

Test. 

\startuseMPgraphic{test}
def class ( expr name, x, y ) =

  path p, q ;

  %pickup pensquare scaled 1pt ;
  p := fullcircle xscaled 3cm yscaled 2cm ;
  q := p shifted (x, y) ;
  draw q ;
  %draw btex name etex withcolor blue ; 
  label(name, center q) withcolor blue ;

enddef ;

class ("TEST", 2cm, 2cm) ;
class ("POSIX", 4cm, 5cm) ;
\stopuseMPgraphic

\useMPgraphic{test}

\stoptext

Groetjes,

Berend. (-: