title: JupyterLab "File Save Error" "Out of Memory"
body: <p>I have opened a text file ~208MB in JupyterLab.</p>
  <p>I deleted a few lines and then tried to save it.</p>
  <p>I get the message: 'File Save Error for foobar.txt - Out of Memory'</p>
  <p>How do I get around this and save my edited text file please?</p>
  <p>Thanks in advance.</p>