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Specification: http://www.whatwg.org/specs/web-apps/current-work/multipage/the-video-element.html Multipage: http://www.whatwg.org/C#honor-user-preferences-for-automatic-text-track-selection Complete: http://www.whatwg.org/c#honor-user-preferences-for-automatic-text-track-selection Comment: <track> Don't set default="" to hidden when there's a user pref Posted from: 88.131.66.80 by simonp@opera.com User agent: Opera/9.80 (Macintosh; Intel Mac OS X 10.7.4; U; en) Presto/2.10.289 Version/12.02
[[ and if there are any text tracks in candidates that correspond to track elements with a default attribute set whose text track mode is set to disabled, then additionally set the text track mode of the first such track to hidden. ]] I think this should be removed. This will cause more resources to be downloaded. Authors who are performance-savvy will avoid this attribute and implement the same functionality with a data-* attribute to avoid two tracks of the same kind group to be downloaded when they only want one. You said the reason for having this is to pre-emptively not break scripts that assume that default tracks are enabled. I'm not convinced that it is likely to be the case such that it makes sense to pre-emptively fix it. I could equally imagine scripts to assume that only one track per kind group is enabled by default. Or that all enabled tracks are showing.
I guess this _could_ go either way...
Checked in as WHATWG revision r7556. Check-in comment: Don't make default='' tracks hidden if the user has configured the browser to automatically select another. http://html5.org/tools/web-apps-tracker?from=7555&to=7556