EU court says public employees may be barred from wearing head scarf

So one can wear a head scarf, but not if it is connected to islam? What about a kippah? A tichel aka "jewish head scarf". Or what if i want to wear a mitra as the president of the european commission?

<a href="https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=38455796">https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=38455796</a>