Hmm... I think <command> is a better choice than <programlisting> but you're right that the display of the command is terrible! I'm going to take a minute to see if there is a simple improvement on the display side before merging this.

I thought it was a better match formatting-wise but I do agree that <command> should semantically be the choice here.

I'm not certain this is "enough". What do you think (before & after in the same picture)?

This improves other <command>s too:

vs:

Can't see properly because the two last crops hides the commands 😞

Just got it : the font is definitely better if the after is on the top in both.

oh, sorry, hehe the example is the bold nix-serve bit in the center of the two last pictures :)

oh, sorry, hehe the example is the bold nix-serve bit in the center of the two last pictures :)

Yeah sorry I just got it, silly me.

I opened a PR to make this nicer: NixOS/nixos-homepage#298

Thanks a lot. I am closing this then !