the error is described to the user in text. 3.3.2 Labels or Instructions: Labels Supported or instructions are provided when content requires user input. 3.3.3 Error Suggestion: If an input Supported error is automatically detected and suggestions for correction are known, then the suggestions are provided to the user, unless it would jeopardize the security or purpose of the content. 3.3.4 Error Prevention (Legal, Supported Financial, Data): For Web pages that cause legal commitments or financial transactions for the user to occur, that modify or delete user-controllable data in data storage systems, or that submit user test responses, at least one of the following is true: 1. Reversible: Submissions are reversible. 2. Checked: Data entered by the user is checked for input errors and the user is provided an opportunity to correct them. 3. Confirmed: A mechanism is available for reviewing, confirming, and correcting information before finalizing the submission. Principle 4: Robust Content must be robust enough that it can be interpreted reliably by a wide variety of user agents, including assistive technologies. Guideline 4.1 Compatible Maximize compatibility with current and future user agents, including assistive technologies. Criteria Supporting Feature Remarks and Explanations 4.1.1 Parsing: In content Supported implemented using markup languages, elements have complete start and end tags, elements are nested according to their
the error is described to the user in text. 3.3.2 Labels or Instructions: Labels or instructions are provided when content requires user input. Supported 3.3.3 Error Suggestion: If an input error is automatically detected and suggestions for correction are known, then the suggestions are provided to the user, unless it would jeopardize the security or purpose of the content. Supported 3.3.4 Error Prevention (Legal, Financial, Data): For Web pages that cause legal commitments or financial transactions for the user to occur, that modify or delete user-controllable data in data storage systems, or that submit user test responses, at least one of the following is true: 1. Reversible: Submissions are reversible. 2. Checked: Data entered by the user is checked for input errors and the user is provided an opportunity to correct them. 3. Confirmed: A mechanism is available for reviewing, confirming, and correcting information before finalizing the submission. Supported Principle 4: Robust Content must be robust enough that it can be interpreted reliably by a wide variety of user agents, including assistive technologies. Guideline 4.1 Compatible Maximize compatibility with current and future user agents, including assistive technologies. Criteria Supporting Feature Remarks and Explanations 4.1.1 Parsing: In content implemented using markup languages, elements have complete start and end tags, elements are nested according to their Supported