On 4/27/19 2:03 PM, Wolfgang Schuster wrote:
> [...]
> It's my fault, in this case there is only a single command to create and
> change palet values.

Many thanks for your explanation, Wolfgang.

I found this code in ConTeXt (syst-aux.mkiv):

    \doloopoverlist {red,green,blue} {
         \doloopoverlist {light,normal,dark} {
             \blackrule[color=\recursestring, width=\textwidth]\par

Is it intended that all nine lines are black?

Many thanks for your help,

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