They also weren't discussed. Only mentioned for completeness' sake.

I mean it’s a typo.

Look up “composting”.

I was just joking, the article is excellent.

And all these years I thought composting was using an ActiveX/OLE/XP/COM component like XMLHttpRequest to POST a message to the server.

https://wiki.mozilla.org/Gecko:DeCOMtamination

https://news.ycombinator.com/item?id=22708241

Ah as in COM Posting.. I have no idea what all this is about though.