'open file',

    else
      -- try to run the command as if it contains args
      run_command_with_args(Display_settings.palette)

  local candidates = initial_candidates()
  if Display_settings.palette == '' then
    return candidates
  elseif Display_settings.palette:sub(1,1) == '/' then
    return {}
  else
    local results = filter_candidates(candidates, Display_settings.palette)
    append(results, file_candidates(Display_settings.palette))
    return results
  end
end
function initial_candidates()

  local candidates

      candidates = Commands.normal

      return Commands.normal

      candidates = Commands.editable

      return Commands.editable

      candidates = Commands.maximized

      return Commands.maximized

      candidates = Commands.maximized_editable

      return Commands.maximized_editable

  end
  --
  if Display_settings.palette == '' then
    return candidates
  elseif Display_settings.palette:sub(1,1) == '/' then
    return {}
  else
    local results = filter_candidates(candidates, Display_settings.palette)
    append(results, file_candidates(Display_settings.palette))
    return results

  elseif cmd == 'open file' then
    command.open_file(args)

  end
end
function run_command_with_args(cmd_with_args)
  for _,cand in ipairs(initial_candidates()) do
    cand = cand:gsub(' %(.*', '')
    local found_offset = cmd_with_args:find(cand, 1, --[[literal pattern]] true)
    if found_offset == 1 then
      local pivot = #cand+1
      if cmd_with_args:sub(pivot, pivot) == ' ' then
        run_command(cand, trim(cmd_with_args:sub(pivot)))
      end
      return
    end

function trim(s)
  return s:gsub('^%s+', ''):gsub('%s+$', '')
end