The type of this event. Will be one of :tag_start, :tag_end, :text,
:processing_instruction, :comment, :doctype, :attlistdecl, :entitydecl,
:notationdecl, :entity, :cdata, :xmldecl, or :error.
# File lib/rexml/parsers/pullparser.rb, line 95
def initialize(arg)
@contents = arg
end