I’ve incorporated the proposed issue 2 spec changes (see diff: http://microformats.org/wiki/index.php?title=microformats2-parsing&diff=66965&oldid=66956), please review "PROPOSED" text in:
* http://microformats.org/wiki/microformats2-parsing#parsing_a_u-_property
* http://microformats.org/wiki/microformats2-parsing#parsing_for_implied_properties
* http://microformats.org/wiki/microformats2-parsing#parse_an_img_element_for_src_and_alt