secured m3u8 can't play with Roku but with VLC

See http://sdkdocs.roku.com/display/sdkdoc/ ... deasString for a useful utility function and a list of the characters you should be concerned about. Inside xml element content or attribute value, they should be escaped to so-called "character entity references".

BrightScript Debugger> ? "escaped chars: < ' & >".getEntityEncode()
escaped chars: &lt; &apos; &amp; &gt;