# MUC: Prevent nicknames failing strict resourceprep

[Client] Romeo

	jid: user@localhost

	password: password

[Client] Roboteo

	jid: bot@localhost

	password: password

-----

Romeo connects

Romeo sends:

	<presence to="nobots@conference.localhost/Romeo">

		<x xmlns="http://jabber.org/protocol/muc"/>

	</presence>

Romeo receives:

	<presence from='nobots@conference.localhost/Romeo'>

		<x xmlns='http://jabber.org/protocol/muc#user'>

			<status code='201'/>

			<item jid="${Romeo's full JID}" affiliation='owner' role='moderator'/>

			<status code='110'/>

		</x>

	</presence>

Romeo receives:

	<message type='groupchat' from='nobots@conference.localhost'><subject/></message>

Roboteo connects

Roboteo sends:

	<presence to="nobots@conference.localhost/🤖️">

		<x xmlns="http://jabber.org/protocol/muc"/>

	</presence>

Roboteo receives:

	<presence type='error' from='nobots@conference.localhost/🤖'>

		<error by='nobots@conference.localhost' type='modify'>

			<jid-malformed xmlns='urn:ietf:params:xml:ns:xmpp-stanzas'/>

			<text xmlns='urn:ietf:params:xml:ns:xmpp-stanzas'>Nickname must pass strict validation</text>

		</error>

	</presence>