23. Article Footer rt
Aside Header Ruby
Audio Hgroup Section
Canvas Keygen Source
Command Mark Summary
Datalist Meter Time
Details Nav Video
Embed Output wbr
Figcaption Progress
figure rp
53. 2 new codecs
• Specifications said: all browsers should at least
have built-in support for 2 new codecs:
• Ogg Vorbis for audio
• Ogg Theora for movies