It means admins are able to use explicitly defined nicks like "[GB] nick", or "[DE] nick", or whatever they wants.
Common players are able to hide their country using "[??] nick" only. Any other tags except their true country will be ignored, plugin just adds true country tag right before their 'construction' (example result is "[VN] [GB] nick").
In other words plugin does NOT check country tag in the admin's nick to be equal his true country.
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