We build Zugo , which turns one written sentence into a running game, site or app. For a while, the thing that decided whether a build had succeeded was this: function htmlComplete ( text ) { return /< \/ html>/i . test ( text ); } A closing tag. That was the gate. If the model emitted </html> , the turn was a success, the green tick appeared, and the credits were charged. Whether the page actually opened was not part of the decision, becau...