Hi, just playing around with spot colors and run into this problem. tested with 23.04.2012 and ??.11.2011, same result. the color definition leads to an invalid pdf.
% multitone.tex---- \nopdfcompression \setuppagenumber[state=stop] \definemultitonecolor[combicolor] [blue=.12,yellow=.28] [c=.1,m=.1,y=.3,k=.1] \starttext \null \stoptext %------------------ I also attached the original example (spot.tex). Best wishes, Peter
% interface=en output=pdftex
% Time-stamp: <Mittwoch, 16 November 2005 18:00:56; spot.tex>
%
\setuplayout[header=0pt,footer=0pt,width=middle,height=middle,backspace=1cm,topspace=1cm]
\setupcolors[state=start]
\startbuffer
\definecolor [blue] [c=1,m=.38,y=0,k=.64]
\definecolor [yellow] [c=0,m=.28,y=1,k=.06]
\definecolor [blue-100] [blue] [p=1]
\definecolor [yellow-100] [yellow] [p=1]
\definemultitonecolor [combicolor] [blue=.12,yellow=.28] [c=.1,m=.1,y=.3,k=.1]
\definemultitonecolor [combicolor-b] [blue=1] [c=1,m=.38,y=0,k=.64] % force multitone
\definemultitonecolor [combicolor-y] [yellow=1] [c=0,m=.28,y=1,k=.06] % force multitone
\useexternalfigure[demo-a][mill.png] [object=no,width=.2\textwidth]
\useexternalfigure[demo-b][hacker-bw.png][object=no,width=.2\textwidth]
\startbaselinecorrection
\startcombination[4*1]
{\externalfigure[demo-a]} {no color}
{\externalfigure[demo-a][color=combicolor]} {indexed duotone}
{\externalfigure[demo-a][color=combicolor-b]} {spot color}
{\externalfigure[demo-a][color=combicolor-y]} {spot color}
\stopcombination
\stopbaselinecorrection
\startbaselinecorrection
\startcombination[4*1]
{\externalfigure[demo-b]} {no color}
{\externalfigure[demo-b][color=combicolor]} {indexed duotone}
{\externalfigure[demo-b][color=combicolor-b]} {spot color}
{\externalfigure[demo-b][color=combicolor-y]} {spot color}
\stopcombination
\stopbaselinecorrection
\startbaselinecorrection
\startcombination[4*1]
{\externalfigure[demo-a]} {no color}
{\externalfigure[demo-a][color=combicolor]} {indexed duotone}
{\externalfigure[demo-a][color=blue-100]} {spot color}
{\externalfigure[demo-a][color=yellow-100]} {spot color}
\stopcombination
\stopbaselinecorrection
\startbaselinecorrection
\startcombination[4*1]
{\externalfigure[demo-b]} {no color}
{\externalfigure[demo-b][color=combicolor]} {indexed duotone}
{\externalfigure[demo-b][color=blue-100]} {spot color}
{\externalfigure[demo-b][color=yellow-100]} {spot color}
\stopcombination
\stopbaselinecorrection
\stopbuffer
\starttext
\getbuffer \typebuffer
\stoptext
%%% Local Variables:
%%% mode: context
%%% TeX-master: ""
%%% End:
multitone.7z
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