.htmllintrc

{
    "attr-bans": false,
    "attr-name-ignore-regex": false,
    "attr-name-style": false,
    "attr-new-line": false,
    "attr-no-dup": true,
    "attr-no-unsafe-char": false,
    "attr-order": false,
    "attr-quote-style": false,
    "attr-req-value": false,
    "attr-validate": false,
    "class-no-dup": false,
    "head-req-title": false,
    "head-valid-content-model": false,
    "html-valid-content-model": false,
    "id-class-no-ad": false,
    "id-class-style": false,
    "id-no-dup": false,
    "img-req-alt": false,
    "img-req-src": false,
    "indent-style": "spaces",
    "indent-width": false,
    "input-radio-req-name": false,
    "label-req-for": false,
    "lang-style": false,
    "line-end-style": false,
    "line-no-trailing-whitespace": true,
    "spec-char-escape": false,
    "tag-bans": false,
    "tag-close": false,
    "tag-name-lowercase": false,
    "tag-name-match": false,
    "title-max-len": false,
    "title-no-dup": false
}