Part-Of-Speech whitelist

If not empty, the index accept only the POS tags contained in this list.

Property definitions

nlp $ NLPIndex :: whitelist_pos
	# Part-Of-Speech whitelist
	#
	# If not empty, the index accept only the POS tags contained in this list.
	var whitelist_pos = new Array[String] is writable
lib/nlp/nlp.nit:59,2--62,50