[1] lauralemay :: essays :: Top Ten HTML Extensions that Didn't Make it Into Netscape 0.9 (2007-01-03 03:21:16 +09:00 版) <http://www.lauralemay.com/essays/topten.html> (名無しさん)

[2] Emacs-w3 User's Manual - Supported Markup Languages (1996-01-22 06:02:45 +09:00 版) <http://www.informatik.uni-hamburg.de/RZ/software/emacs/w3/w3_2.html#SEC6> (名無しさん)

[3] Repository - markup - w3: w3/lisp/w3-parse.el (2007-01-08 19:07:25 +09:00 版) <http://cvs.savannah.gnu.org/viewcvs/w3/lisp/w3-parse.el?rev=1.22&root=w3&view=auto> (名無しさん)

[4] Member w3/w3-draw.el of archive w3-2.2.26.tar.gz (2007-01-08 20:04:19 +09:00 版) <http://fresh.t-systems-sfr.com/unix/src/www/w3-2.2.26.tar.gz:a/w3/w3-draw.el>