1

General usage seems to be that vi begins with a lower-case V, and that proper names that begin with a lower-case letter should continue to do so both in title-case contexts and at the start of sentences.

So shouldn't the name/headline of this site be vi and Vim?

2

That looks decidedly ugly to me. Wikipedia seems to agree with you, however, so I'd suggest using Vim and vi instead.

Related posts on ELU:

  • 3
    But the original manpage uses Vi, though not really in a consistent manner it seems... (FYI: you can format it with groff -man -Tascii vi.1) ... I think it uses Vi to refer to the name of the program, and vi to refer to the command-line utility... – Martin Tournoij Feb 23 '15 at 13:47
  • The Vim-spell check considers vi to be the wrong capitalisation (blue background, not red), and corrects it to VI... At first I thought this was because of roman numerals, but it doesn't do that for iv or vii ... The nvi manpage uses vi and nvi throughout ... – Martin Tournoij Feb 23 '15 at 13:52
  • @Carpetsmoker The 2.8BSD manpage does the same. – muru Feb 23 '15 at 13:56
  • But some other docs from nvi use both Vi and vi ... :-/ – Martin Tournoij Feb 23 '15 at 13:57
2

I'm not able to definitively ascertain the "correct" spelling of vi. It may be either vi or Vi, I suspect vi is probably "more correct", but I personally don't consider Vi incorrect enough to change the title.

I also can't think of any good alternatives. I find "Vim and vi" to be awkward, it's a site about "Vi and clones", Vim is only there because it just so happens to be the most popular clone. Also, our domain name is vi.stackexchange.com; not vim.stackexchange.com.

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