Re: "WebVTT file using only nested cues"

On Fri, 27 Jan 2012, Simon Pieters wrote:
>
> "A WebVTT file whose cues all have an end time offset x greater than or 
> equal to the end time offsets of all the cues whose start time offsets 
> are less than x is said to be a WebVTT file using only nested cues." 
> http://dev.w3.org/html5/webvtt/#webvtt-file-using-only-nested-cues
> 
> I have two problems with this definition. First, it takes considerable 
> mental focus to understand what it means (at least for me). It would be 
> nice if it could be explained more clearly

If you can describe it formally and completely in a clearer fashion, 
please let me know. I couldn't figure out a better way to do it.


> and/or give examples that match the definition and examples that don't.

Done.


> Secondly, the name implies that all cues must be nested, since the file 
> is said to be using "only" nested cues, but this is not the case

On what sense is it not the case?


> so maybe the definition should have a more accurate name. I was 
> considering "WebVTT file with no overlapping cues", but that's not 
> accurate either if nested cues are also overlapping.

Nested cues by definition overlap. :-)

-- 
Ian Hickson               U+1047E                )\._.,--....,'``.    fL
http://ln.hixie.ch/       U+263A                /,   _.. \   _\  ;`._ ,.
Things that are impossible just take longer.   `._.-(,_..'--(,_..'`-.;.'

Received on Tuesday, 24 April 2012 23:23:19 UTC