Question 1

How do I install nvim-comment with packer.nvim?

Accepted Answer

Add `use 'terrortylor/nvim-comment'` to your packer configuration and call `require('nvim_comment').setup()` in your Neovim config, as shown in the README. This initializes the plugin with default or custom options.

Question 2

Can nvim-comment handle visual selections?

Accepted Answer

Yes, it supports visual selections using the default mapping `gc` in visual mode or the command `'<,'>CommentToggle`. This allows you to comment or uncomment highlighted lines easily.

Question 3

How does nvim-comment compare to vim-commentary?

Accepted Answer

nvim-comment is a lighter, Lua-based alternative focused on line-by-line commenting with Neovim integration, while vim-commentary has more features, supports both Vim and Neovim, and is written in Vimscript. The README explicitly states nvim-comment has fewer features.

Question 4

How to disable automatic space padding in comments?

Accepted Answer

Set `marker_padding = false` in the setup options, like `require('nvim_comment').setup({marker_padding = false})`. This disables the addition of space padding to comment markers, useful if your linter or style guide doesn't require it.

Question 5

Does nvim-comment work with empty lines?

Accepted Answer

By default, it comments empty lines, but you can configure this with the `comment_empty` and `comment_empty_trim_whitespace` options. For example, set `comment_empty = false` to skip commenting empty or whitespace-only lines.

Question 6

How to set custom comment markers for a specific filetype?

Accepted Answer

Override the `commentstring` option using `vim.api.nvim_buf_set_option(0, 'commentstring', '# %s')` for the buffer, or use autocommands as described in the README to automatically set it for filetypes like *.cpp or *.h.

nvim-comment

What is nvim-comment?

Overview

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