{"json_modified": "2016-03-28T08:14:30.908425", "uuid": "8d2a56e1-78d5-4d32-920e-d16a88253fea", "title": "Web Specifications", "url": "/en-US/docs/Web/Accessibility/AT-APIs/Web_Specifications", "tags": ["Accessibility", "AT_APIs"], "translations": [], "modified": "2015-11-11T08:56:50", "label": "Web Specifications", "localization_tags": [], "locale": "en-US", "id": 16665, "last_edit": "2015-11-11T08:56:49", "summary": "<a class=\"external\" href=\"https://www.mozilla.org/newlayout/faq.html\">Gecko</a> is the rendering engine for Firefox, Thunderbird, Nvu, Mozilla Seamonkey and other applications. Gecko is the internal engine that Mozilla uses to render any kind of web content. It supports HTML, XHTML, Cascading Style Sheets (CSS), the Document Object Model (DOM) and many more. The content of markup languages supported by Gecko is exposed to assistive technologies (AT). This page is designated to provide information how Gecko maps these languages to AT.", "sections": [{"id": "Introduction", "title": "Introduction"}, {"id": "DOM", "title": "DOM"}, {"id": "Accessible_tree_vs._DOM_tree_-_what.27s_the_relation.3F", "title": "Accessible tree vs. DOM tree - what's the relation?"}, {"id": "Accessible_Web_Specifications", "title": "Accessible Web Standards"}, {"id": "ARIA", "title": "ARIA"}, {"id": "HTML", "title": "HTML"}, {"id": "XUL", "title": "XUL"}, {"id": "XForms", "title": "XForms"}, {"id": "MathML", "title": "MathML"}, {"id": "SVG", "title": "SVG"}, {"id": "Examples", "title": "Examples"}, {"id": "HTML_examples", "title": "HTML examples"}], "slug": "Web/Accessibility/AT-APIs/Web_Specifications", "review_tags": []}