/testing/web-platform/meta/custom-elements/reactions/customized-builtins/

• ../
• HTMLDataElement.html.ini
• HTMLDetailsElement.html.ini
• HTMLEmbedElement.html.ini
• HTMLFieldSetElement.html.ini
• HTMLLIElement.html.ini
• HTMLLabelElement.html.ini
• HTMLMediaElement.html.ini
• HTMLMetaElement.html.ini
• HTMLModElement.html.ini
• HTMLParamElement.html.ini
• HTMLProgressElement.html.ini
• HTMLQuoteElement.html.ini
• HTMLSourceElement.html.ini
• HTMLStyleElement.html.ini
• HTMLTableColElement.html.ini
• HTMLTimeElement.html.ini