[camdez]

Very cool. So dropping subject pronouns ("pro-drop") is formally acceptable?

[schoen]

Well, I wouldn't regard toki pona as pro-drop in general -- subject pronouns are normally required (in part because verbs don't inflect for person and number). But there is a special case for answering a yes-no question:

http://rowa.giso.de/languages/toki-pona/english/latex/Answer...