Well it _is_ the real vim, built with --with-features=small (see https://github.com/coolwanglu/vim.js#vim-features https://github.com/coolwanglu/vim.js#vim-feat

Well it _is_ the real vim, built with --with-features=small (see https://github.com/coolwanglu/vim.js#vim-features https://github.com/coolwanglu/vim.js#vim-features) so folding for instance doesn't work