Although good points, most — if not all — are arguable. 1. Why not? 2. Agreed, although images are safe in that they render identically in all browsers. 3. W

Although good points, most — if not all — are arguable. 1. Why not? 2. Agreed, although images are safe in that they render identically in all browsers. 3. Which convention? In the UK em-dashes are surrounded by spaces. Other conventions recommend hair-spaces. 4. Not sure which example you're talking about. 5. There's nothing wrong with Georgia.