[1] NOTE-css-potential-19970819 ( (3/13/2000, 2:37:56 PM 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. ( (9/21/2012, 7:58:00 PM 版)) <http://html5.org/tools/web-apps-tracker?from=7390&to=7391>