URLメモ
SVGにリンクを張ってみる
http://www.hcn.zaq.ne.jp/no-ji/reseach/20040602.html
via http://www.t-base.ne.jp/~nakajima/diary/?date=20040609#p02
htmlArea - Turn any <textarea> into a WYSIWYG editor
http://www.interactivetools.com/products/htmlarea/
via http://www.t-base.ne.jp/~nakajima/diary/?date=20040609#p03