Board Thread:Support Requests - Designing Your Wiki/@comment-4530178-20180405082530/@comment-5275700-20180406004607

In the past, we've stated that whatever Theme Designer allows is fine. So the zero-width space is indeed allowed, the recent update to the Customization Policy will be removed.

@Lelouch the layout allows the wordmark to potentially be a graphic with no text in it, since the community name can be the text. Or the wordmark can have a more abbreviated version of the community name, like on WoWWiki or RuneScape Wiki. So it just gives you more options.