| { | |
| "id": "html-xml-lang-mismatch", | |
| "selector": "html[lang][xml\\:lang]", | |
| "matches": "xml-lang-mismatch-matches", | |
| "tags": ["cat.language", "wcag2a", "wcag311", "ACT"], | |
| "metadata": { | |
| "description": "Ensure that HTML elements with both valid lang and xml:lang attributes agree on the base language of the page", | |
| "help": "HTML elements with lang and xml:lang must have the same base language" | |
| }, | |
| "all": ["xml-lang-mismatch"], | |
| "any": [], | |
| "none": [] | |
| } |