class Rouge::Formatter
def self.find(tag)
def self.find(tag) REGISTRY[tag] end
def self.tag(tag=nil)
def self.tag(tag=nil) return @tag unless tag REGISTRY[tag] = self @tag = tag end
def render(tokens)
def render(tokens) enum_for(:stream, tokens).to_a.join end
def stream(tokens, &b)
def stream(tokens, &b) raise 'abstract' end