[webvtt] Fix non-integer values for line setting

zcorpan has just created a new issue for 
https://github.com/w3c/webvtt:

== Fix non-integer values for line setting ==
>From 
https://github.com/w3c/web-platform-tests/issues/3222#issuecomment-227681157

It is possible with the DOM API to set `line` to `1.5` and have 
`snapToLines` be true, but the spec doesn't say what to do with it. 
Should it round the value? Floor? Treat as "auto"?

Note that the parser will drop a `line:1.5` setting.

Please view or discuss this issue at 
https://github.com/w3c/webvtt/issues/306 using your GitHub account

Received on Wednesday, 22 June 2016 08:51:23 UTC