[1] [CITE[IRC logs: freenode / #whatwg / 20090714]]
([TIME[2009-09-19 17:07:55 +09:00]] 版)
<http://krijnhoetmer.nl/irc-logs/whatwg/20090714#l-487>

[2] [CITE@en[Add framespacing to obsolete-attributes list · whatwg/html@a7e2dd5]]
([TIME[2015-09-02 16:35:42 +09:00]] 版)
<https://github.com/whatwg/html/commit/a7e2dd5ba7153541102f417f939acfe1cdd8e5ec>