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●●● ●●●● ●●●●● ●●●● ●●●●● Head ●●●● It normally <smib> includes the <head> <meta name="news"content="roundup"/> <meta> <meta name="author content="LYU0102> <layout, and <meta name="copyright content="(c)2002"/> <layout <switch> <root-layout width=568" height=540" background-color="black"/> <region id="scene"left=16 top=30 width=200" height=150 element as the fit="fill/ <region id="video"left=272" top="30 width=240" height="180 children of background-color="black"/> <head> </layout>Head ⚫ It normally includes the <meta>, <layout>, and <switch> element as the children of <head>. <smil> <head> <meta name="news" content="roundup" /> <meta name="author" content="LYU0102" /> <meta name="copyright" content="(c) 2002" /> <layout> <root-layout width="568" height="540" background-color="black" /> <region id="scene" left="16" top="30" width="200" height="150" fit="fill" /> <region id="video" left="272" top="30" width="240" height="180" background-color="black"/> … </layout> </head> <body> …… <body> </smil> SMIL