That is correct. In the old release it is not allowed to be empty. Also, if you would clear it manually, the marking would be [] and [/] as you noticed. This has been changed already a few days ago (but not yet released).
I will check the Up/Down button in the editor and will add a button to sort it alphabetically with taking cultural settings into account.
*Fix is released and the a sort button added*
Last edited by Toxaris; 03-18-2016 at 08:56 AM.
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