The coc.nvim plugin has a really cool feature where the completion, or at least the python completion, will have additional information about the option in a second popup menu. I have looked through a good deal of vim documentation on completion and I cannot find any way to do this. Does anyone know how to get this to work with custom completions, not using coc.nvim?

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    It was originally in a preview window; recently support for a second popup was added (I forget the name of the option) – D. Ben Knoble Nov 21 '20 at 12:49
  • Try completeopt with popup, and completepopup – D. Ben Knoble Nov 21 '20 at 16:40
  • Setting completeopt to have either of these options returns an error for me. – Prismavoid Nov 21 '20 at 19:09
  • The latter is a separate option. You may need a newer vim – D. Ben Knoble Nov 21 '20 at 19:16
  • I just installed the latest neovim-nightly from the AUR and both still return errors. – Prismavoid Nov 22 '20 at 7:04

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