1. 3 on class
2. 1 in definition

On grammatical class:

fa'o

unconditional end of text; outside regular grammar; used for computer input.

fa'u'u'u'u'u'u'u'u

erases Lojban from spacetime continuum.

to'au

Toaq toggle: Toggles text to Toaq language; marks following text as Toaq text.

In definition:

cmavrfa'o

x₁ is the selma'o "FAhO".