[1] IRC logs: freenode / #whatwg / 20090512 ( 版) http://krijnhoetmer.nl/irc-logs/whatwg/20090512
[2] Web Applications 1.0 r6851 When itemprop='' is specified on elements like <a> or <iframe>, require the corresponding attribute, to help authors who are misusing microdata.Affected topics: HTML, Microdata, Video and Audio ( ( 版)) http://html5.org/tools/web-apps-tracker?from=6850&to=6851
[3] Web Applications 1.0 r4515 Allow <link itemprop> without rel=''. ( ( 版)) http://html5.org/tools/web-apps-tracker?from=4514&to=4515
[4] Web Applications 1.0 r6388 Disallow <link> from having both rel='' and itemprop=''. This might change back if there are compelling use cases, but in the meantime it seems like this is likely to catch errors. This also effectively disallows rel='' on <link>s in <body>. ( ( 版)) http://html5.org/tools/web-apps-tracker?from=6387&to=6388
[7] Fix #208: remove the Microdata API · whatwg/html@2aaecb8 ( 版) https://github.com/whatwg/html/commit/2aaecb89900b875b9ee8357fa8bccf48477358bb