nl_tokens: Note : 1 . In server side we will add meta tags and title at last after fitering 2 . In client we will match and replace meta tagString 3 . For now we will not support link and other tags properly they can be added but we will not check for uniqueness and will not decide placement
pl_tokens: function filterOutMetaWithId ( metas ) { metas = Array . prototype . slice . call ( metas || [ ] ) ; return metas . filter ( function ( meta ) { return ! meta . <mask> ; } ) ; }