ended8월 9일· 1 sources
An Empty VAST Wrapper Is Schema-Valid in 4.4. It Was Not in 2.0.
Why it matters
A VAST wrapper with no AdSystem, no VASTAdTagURI and no Impression validates against the VAST 4.4 draft schema. The same document has been invalid in every version from 2.0 through 4.2. It is one line...
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