if #arg > 0 and Editor_state.filename ~= absolutize(arg[1]) then

  local column_names = {}
  for _,column in ipairs(Surface) do
    table.insert(column_names, column.name)

  end

    filename=absolutize(Editor_state.filename),

function absolutize(path)
  if is_relative_path(path) then
    return love.filesystem.getWorkingDirectory()..'/'..path  -- '/' should work even on Windows
  end
  return path
end

  - run with a filename on commandline, scroll around, quit; restart without a filename; window opens running the text editor in same position+dimensions
  - run with a filename on commandline, scroll around, quit; restart with same filename; window opens running the text editor in same position+dimensions
  - run with a filename on commandline, scroll around, quit; restart with new filename; window opens new filename with cursor up top
  - run editor, scroll around, move cursor to end of some line, quit; restart with new filename; window opens running the text editor in same position+dimensions