Can NPCs speak in other languages?

[Shendare]

Strangely, with Rev492 $langid is now returning 3.

Welcome to EverQuest!
You have entered Northern Felwithe.
You say, 'Hail, Exterminator Valern'
Exterminator Valern says, in Elvish, 'Hail, Palren! You're speaking Elvish ( 3 )!'
Current Language is Common Tongue. (1)
You say, 'Hail, Exterminator Valern'
Exterminator Valern says, in Elvish, 'Hail, Palren! You're speaking Elvish ( 3 )!'
Current Language is Elvish. (2)
You say, 'Hail, Exterminator Valern'
Exterminator Valern says, in Elvish, 'Hail, Palren! You're speaking Elvish ( 3 )!'
You say, '#reloadqst'
Clearing quest memory cache.
Current Language is Elder Elvish. (4)
You say, 'Hail, Exterminator Valern'
Exterminator Valern says, in Elvish, 'Hail, Palren! You're speaking Elvish ( 3 )!'

Changing the NPC's spoken language didn't change the $langid behavior, either.