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