Fix double spaces in the middle of a few sentences; otherwise there should be no visible change. Well, it could try to break of the lines differently now, but it shouldn't need to avoid it in these cases.
DirtyMarkup generated these invalid Content-Type declarations; it should be text/html not text-html, or the simpler <meta charset="utf-8"> should be good.
- Fixes one formatting issue in "Draw an ellipse or circle", otherwise the visual output appears identical
- Changes charset declarations to UTF-8
- Adds ids where there are names, and probably other changes
- Fixes some tag mismatching, but not all, and obscures some structural intent