Yeah so this is a simple bug
server ver : 1.12.2 paper
basically when you guys added new permission for /nick it broke.
now I give my players the following permissions:
essentials.nick
essentials.nick.format
essentials.nick.color
essentials.nick.color

Player types command: /nick &ltest
it works fine.
but if player does /nick &6&l test
it says nicknames can not be alphanumeric.
if player types /nick &6test
it works...

but now I'm having to give players this permission essentials.nick.gold
only then /nick &6&ltest
works how to fix this?!

it's not needed. the bug will happen I tested on a new server localhost aswell.
player can't run /nick &6&ltest
with having only these perms: essentials.nick, essentials.nick.color, essentials.nick.format

essentials ver = dev builds.
server ver = 1.12.2

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/nick &6&l test
You can't have spaces in nicknames...

? i made a typo here.

#3784