<tt xml:lang="en" xmlns="http://wwww3
org/ns/ttml"> <head> <metadata/> <styling/> <layout/> </head> <body> </body> </tt>
Source: Youtube
Everything you want to know just here you will find
<tt xml:lang="en" xmlns="http://wwww3
org/ns/ttml"> <head> <metadata/> <styling/> <layout/> </head> <body> </body> </tt>
Source: Youtube