4.1.1 Parsing

Success Criterion 4.1.1 Parsing: In content implemented using markup languages, elements have complete start and end tags, elements are nested according to their specifications, elements do not contain duplicate attributes, and any IDs are unique, except where the specifications allow these features. (Level A)

Note: Start and end tags that are missing a critical character in their formation, such as a closing angle bracket or a mismatched attribute value quotation mark are not complete.

Background

• Understanding SC 4.1.1

Which elements / situations are tested?

• Elements with “id” attribute: SC4-1-1-id
• Elements with “accesskey” attribute: SC4-1-1-accesskey
• Elements with IDREF attributes: SC4-1-1-idref
• Elements with IDREFS attributes: SC4-1-1-idrefs
• Any opening tags SC4-1-1-unique-attrs
• Any tags SC4-1-1-tag-nesting