See: https://doc.huc.fr.eu.org/en/post/bat-cat/
(particularly the acknowledgements section) 
hucste@framapiaf.org
@hucste@framapiaf.org
Posts
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Beautiful man pages on #OpenBSD with bat π±$ doas pkg_add bat$ man pf.conf | bat -pl man -
Beautiful man pages on #OpenBSD with bat π±$ doas pkg_add bat$ man pf.conf | bat -pl man@justine
OK, good!Thanks
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Beautiful man pages on #OpenBSD with bat π±$ doas pkg_add bat$ man pf.conf | bat -pl manExcuse-me, but I dont understand more!

I've read the col manpage, (before asking) but I dont understand why adding it to bat! -
Beautiful man pages on #OpenBSD with bat π±$ doas pkg_add bat$ man pf.conf | bat -pl manWhy do you rewrite a new man function?
I dont understand why you added `col -bx`? Option `-l` seems to arrange the text in columns; what is the diff?