Thanks for your hint ori,

After searching for Copying, Copyright, Licence I found these problematic commands (libs) :

Xen (9f)
diff (9f,l9)
patch (9f, l9)
ghostscript (9f, l9)
mp3dec (9f, l9)
lzip (l9)

9f ... 9font
l9 ... legacy9

I'm not sure how problematic icclib could be. Clause 4 could be dangerous regarding ... derived from based on ... 
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