I'm posting this for my own benefit as well as for others' - feel free to answer, edit, comment anything you like (as long as you keep it civil, of course!).
This is the place to try out new formats, etc, without disrupting any other activity on the site.
This was converted into an edit from an answer
Unfortunately, the PGN viewer is unavailable on meta.chess. In order to play around with it, you will need to start a new question on the main site, but not actually post it. Note that the viewer preview updates as you type. Basic info on the viewer can be accessed here.