Sorry, I'm tired of closing
1. https://en.wikipedia.org/wiki/Gopher_(protocol)
2. https://en.wikipedia.org/wiki/Wide_area_information_server
3. https://en.wikipedia.org/wiki/Project_Xanadu
4. https://en.wikipedia.org/wiki/HyperCard
5. https://en.wikipedia.org/wiki/Java_applet
6. https://en.wikipedia.org/wiki/NeWS
And so on...
Upon further consideration, maybe just closing the
Viva la semantic and expressive HTML code!
Avoid this feeling of mental toil by using a text editor which does this for you.
There are definitely plugins for auto-closing your HTML tags that will make your life easier, though.
XML fell out of SGML - trust me, you don't want to go there. So did HTML.
Also too: the IDEs I use always form closed tags. No effort needed.
JSX may have solidified the XML markup style in the developer's toolbox though. Especially with server side rendering too.
https://www.destroyallsoftware.com/talks/wat
Can't we just get WASM browser APIs and then do the web in whatever programming language we want?