vim.api.nvim_exec2([[
  augroup SeqFileType
    autocmd!
    autocmd BufRead,BufNewFile *.seq set filetype=seq
    autocmd BufRead,BufNewFile *.seq set syntax=codev
    autocmd BufRead,BufNewFile *.lis set filetype=lis
    autocmd BufRead,BufNewFile *.lis set syntax=codelis
  augroup END
]], {})

vim.api.nvim_exec2([[autocmd FileType seq set commentstring=!%s]], {})