I'm not suggesting that one always write the UI in direct markup alone. Program-generated markup and/or an IDE (drag and drop) is perfectly possible. It's just

I'm not suggesting that one always write the UI in direct markup alone. Program-generated markup and/or an IDE (drag and drop) is perfectly possible. It's just the standard interface to a GUI browser. Once the standard catches on, "helper" tools will appear. Re: congrats, you've invented the web browser. Web browsers suck for GUI's. Positioning is a royal inconsistent pain (especially fonts); and they lack native widgets such as editable data grids, drop-down menus, tabs, combo-boxes, menu bars, dialog boxes, MDI, and more.