We deferred this case, tho I'm not sure we ever filed a ticket for it, so here's a placeholder.
Example: https://en.wikipedia.beta.wmflabs.org/w/index.php?title=Wikipedia_talk:New_user_landing_page&action=edit&redlink=1
-- //Notice **New user landing page** appears rather than the name of the page which has not yet been created. In this case, **Atlantic Coast Conference**.//:
{F34585774}
=== Expected behavior
|Case|Namespace|Subject page|Talk page|Notes|Expected talk page behavior
|---|---|---|---|---|---
|//Case 1//| Non-user|Does not exist|Does not exist| | See the old wikitext editor
|//Case 2//| User|Does not exist|Does not exist| User is registered| discussion tools empty page message is shown
|//Case 3//| User|Does not exist|Does not exist| User is NOT registered|See the old wikitext editor