Blog post: A taxonomy of text output (from tools that want to be too clever) https://utcc.utoronto.ca/~cks/space/blog/sysadmin/ProgramTextOutputTaxonomy
(In which I attempt to inventory all of the increasingly clever and disliked ways that command line programs have come up with to make their output less pleasant and harder for me to use. Dnf, you're on the list (near the bottom).)
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