I agree with some parts (like minimizing attributes), but heavily disagree on some others. Compatibility with existing HTML user agents is possible by following a A lot of the XHTML points actually made sense. A current list of patent disclosures relevant to this specification may be Browsers are extremely tolerant but it doesnt mean we have to push these boundaries, they bring pretty much nothing except a lighter code (which is still important but considering you ship JS libraries beside). Having started my journey during the dark times of