Yes, I'm following that. It keeps it in standards mode because it's saying "Hey, this page is HTML5" and browsers can say "Oh good, a modern standards compliant website, this should be just fine"
What I mean is that these AMP pages are not valid HTML5. I don't like the idea of adding a tag which says "this is valid HTML5" when it isn't, just so that there is a side effect of changing the rendering mode that browsers use.
> The doctype keeps the browser in standards mode
Yes, I'm following that. It keeps it in standards mode because it's saying "Hey, this page is HTML5" and browsers can say "Oh good, a modern standards compliant website, this should be just fine"
What I mean is that these AMP pages are not valid HTML5. I don't like the idea of adding a tag which says "this is valid HTML5" when it isn't, just so that there is a side effect of changing the rendering mode that browsers use.