On 30/05/2023 03:37, Timothy wrote:
The things is the ox-html exporter currently tries to (mostly) support XHTML, which as I understand requires the self-closing slash.
ox-html has (:html-doctype "HTML_DOCTYPE" nil org-html-doctype)option that may be set to e.g. xhtml-11 or html5. Ideally both syntax variants should be supported, with "/" before ">" and without it.