But on 10 December 2007 , the HTML5 specification was updated , replacing the reference to concrete formats :
Initially , Ogg Theora was the recommended standard video format in HTML5 , because it was not affected by any known patents .
On 10 December 2007 , the HTML5 specification was updated , replacing the reference to concrete formats :
Initially , Ogg Theora was the recommended standard video format in HTML5 , because it was not affected by any known patents .