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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - LayoutTests/http/tests/security/contentSecurityPolicy/media-src-track-block.html always passes"
href="https://bugs.webkit.org/show_bug.cgi?id=146272#c1">Comment # 1</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - LayoutTests/http/tests/security/contentSecurityPolicy/media-src-track-block.html always passes"
href="https://bugs.webkit.org/show_bug.cgi?id=146272">bug 146272</a>
from <span class="vcard"><a class="email" href="mailto:dbates@webkit.org" title="Daniel Bates <dbates@webkit.org>"> <span class="fn">Daniel Bates</span></a>
</span></b>
<pre>By <<a href="https://html.spec.whatwg.org/multipage/embedded-content.html#text-track-failed-to-load">https://html.spec.whatwg.org/multipage/embedded-content.html#text-track-failed-to-load</a>>, "failed to load" for an external text track "indicates that the text track was enabled, but when the user agent attempted to obtain it, this failed in some way (e.g. URL could not be resolved, network error, unknown text track format). Some or all of the cues are likely missing and will not be obtained." In particular, an external text track is considered to have "failed to load" if it has an "unknown text track format".</pre>
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