[1] NOTE-css-potential-19970819 ( (2000-03-13 23:37:56 +09:00 版)) http://www.w3.org/TR/NOTE-css-potential-19970819#elementId=1037993

[2] Web Applications 1.0 r7391 Add 'column' to Worker error events, to match onerror. Also, a typo xref fix. ( (2012-09-22 04:58:00 +09:00 版)) http://html5.org/tools/web-apps-tracker?from=7390&to=7391