[I got no answers to my previous post]
With page imposition, in luatex, background overrides text
\setuppapersize[A4][A3,landscape]
\setuparranging[2SIDE] % <--bug here
\setupcolors[state=start]
\definetextbackground[intro]
[backgroundcolor=gray,
backgroundoffset=.25cm,
offset=.5cm,
frame=off,
location=paragraph,
color=white]
\definetextbackground[subintro]
[backgroundcolor=texcolorfour,
backgroundoffset=0pt,
offset=0pt,
frame=off,
location=text,
color=blue]
\starttext
\starttextbackground[intro]
A rather common way to draw attention to a passage, is to add
a background. In this chapter we will therefore discuss how
to enhance your document with \starttextbackground [subintro]
colorful areas that either or not follow the shape of your
paragraph. \stoptextbackground\ Be warned: this chapter has
so many backgrounds that you should consider wearing sunglasses.
\stoptextbackground
\dorecurse{5}{\input tufte}
\stoptext
Regards
--
Diego Depaoli
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