_:nec86fb337eea417f81a64f34d8687dddxb1
<http://schema.org/dateCreated>
"2019-10-25T09:11:49.000Z"^^<http://schema.org/Date>
<https://ask.libreoffice.org/t/how-to-hide-and-unhide-table-cell-borders/46006/2>