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<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-US
style='font-size:10.0pt;font-family:Arial;color:navy'>If a video source fails
to load, the user agent tries the next source. AIUI, it is the page
author’s responsibility to provide at least one video source that is
guaranteed to work. This last resort source may contain fallback content.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-US
style='font-size:10.0pt;font-family:Arial;color:navy'>Chris<o:p></o:p></span></font></p>
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12.0pt'><o:p> </o:p></span></font></p>
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