User blog comment:Brandon Rhea/New Page and Article Headers: Official Release Date/@comment-5342343-20170613164347/@comment-26923519-20170613171022

I tried a space, but it was considered as blank, which didn't allow it. Periods work, but they also do look ugly for a page header like this. Unfortunately, wikitext and HTML aren't supported when changing the community name, making it impossible to "hide" it, using the same page header color.