[1]
[CITE[Postscript VS PDF]]
<http://pc8.2ch.net/test/read.cgi/tech/1097857352/>

[2] [CITE[IRC logs: freenode / #whatwg / 20090927]]
([TIME[2009-11-30 23:26:32 +09:00]] 版)
<http://krijnhoetmer.nl/irc-logs/whatwg/20090927#l-309>