7.2 Support appropriate W3C Recommendations. 8.7 Allow the user to configure structured navigation. 4.13 Allow the user to turn on and off author-specified page forwards that occur after a time delay and without user intervention. 4.14 Allow the user to turn on and off automatic page refresh. 9.11 Maintain consistent user agent behavior and default configurations between software releases.
Consistency is less important than accessibility and adoption of system conventions.
11.2 Allow the user to configure the graphical arrangement of user interface controls. For a selected link, provide information to help the user decide whether to follow the link. For dependent user agents only. Indicate the row and column dimensions of a selected table. 10.3 Allow the user to selectively turn on and off notification of common types of document and viewport changes.