Latest version of #HTML standard includes a warning that advises against using the #XML syntax (formerly known as #XHTML), stating that it's "essentially unmaintained"🧐 :
I am co-founding a new startup! #InputLab creates test data for thousands of formats from electronic invoices to retail orders, covering all input features – and we just got an 800k€ initial funding to start as a #CISPA spin-off in September.