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1% PDF/A-1b:2005
2
3\enabletrackers[backend.xmp]
4
5\setupbackend
6  [format=PDF/A-1b:2005,
7   intent=sRGB IEC61966-2.1, % use <info> entry here; otherwise problems with predefined default profile
8   profile=sRGB.icc, % use <filename> here
9 % profile={sRGB.icc,default_gray.icc}]
10   level=0]
11
12\setupcolors[cmyk=no]
13\definecolor[rgbblack][b=0.01]
14\definecolor[transtest][r=1,g=1,t=.25]% transparency is not allowed
15
16
17
18\starttext
19
20\starttextcolor[rgbblack] % forced /DeviceGray causes problems; we need a trigger
21
22Test for PDF/A-1b:2005
23
24\stoptextcolor
25
26\hbox\bgroup
27    \blackrule[width=1cm,height=1cm,color=red]
28    \blackrule[width=1cm,height=1cm,color=green]
29    \blackrule[width=1cm,height=1cm,color=blue]
30    \blackrule[width=1cm,height=1cm,color=rgbblack]
31    \blackrule[width=1cm,height=1cm,color=transtest]\hskip-.5cm
32    \blackrule[width=1cm,height=1cm,color=transtest]
33\egroup
34
35\stoptext
36