Cloning <details> and <summary> is suspected of being broken by the same cause as bug 61909.
Created attachment 96213 [details] Patch
Comment on attachment 96213 [details] Patch View in context: https://bugs.webkit.org/attachment.cgi?id=96213&action=review > LayoutTests/fast/html/details-clone.html:16 > + if (!window.layoutTestController) > + return; If one opens this HTML with a browser, he/she won't see nothing. Please show something.
Kent-san, thank you for reviewing this! > If one opens this HTML with a browser, he/she won't see nothing. Please show something. Oops. I'll add a description before landing.
Committed r88225: <http://trac.webkit.org/changeset/88225>