component context logic accepts options param
Nokogiri may be used to format html if ENV var PRETTY_HTML is set
Update comment
Use wrapper_name attribute intead of :param for _wrap_it
Component helpers accept arguments
configurable component works even if not also including parenting
template tags accept children via a block returning a string
  (as long as it does not add any other children prior to returning)
wrappers for rails helpers such as form_for may accept blocks