[Bug 19273] New: Define a default value for 'line-height'

https://www.w3.org/Bugs/Public/show_bug.cgi?id=19273

           Summary: Define a default value for 'line-height'
           Product: TextTracks CG
           Version: unspecified
          Platform: PC
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: WebVTT
        AssignedTo: ian@hixie.ch
        ReportedBy: silviapfeiffer1@gmail.com
         QAContact: dave.null@w3.org
                CC: mike@w3.org, public-texttracks@w3.org


Section 3.5.1 defines default settings for CSS values. It includes a default
font of '5vh', i.e. 5% of video height.

When "line" cue settings are provide as line numbers, we need to provide exact
positioning. However, line heights are different between browsers - CSS only
specifies that line-height should be between 1.1 - 1.3 times the font height.

To get exact line positioning, we should also provide a default setting for
line-height.

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Received on Thursday, 4 October 2012 10:19:50 UTC