How to change neovim command-line popup to horizontal, or change direction key's behaviour?

Question

In neovim, popup of command-mode complete is vertical, but using left right to selete.

Can I change popup to horizontal? or use up down to select? How?

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• this is neovim popup

• this is what I want

• or using up down to select

Answer 1

See :h 'wildoptions'

For the desired behaviour type :set wildoptions= in neovim.