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Enabling pseudo-class styles without revealing personal information

  • US 7,949,934 B2
  • Filed: 10/24/2007
  • Issued: 05/24/2011
  • Est. Priority Date: 10/24/2007
  • Status: Active Grant
First Claim
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1. A computer-implemented method comprising:

  • ascertaining whether one or more Cascading Style Sheets (CSS) pseudo-classes are used in a web document, wherein the pseudo-classes comprises a “

    ;

    link”

    pseudo-class and/or a “

    ;

    visited”

    pseudo-class;

    determining whether functionality associated with one or more pseudo-classes affects the web document'"'"'s structural format or affects the web document'"'"'s visual format; and

    disallowing, based on the determination, properties of the one or more pseudo-classes that impact personally-identifiable information, wherein disallowing properties permits one or more, but not all of the functionality associated with the one or more pseudo-classes,wherein disallowed functionality comprises the functionality that affects the web document'"'"'s structural format and allowed functionality comprises the functionality that affects the web document'"'"'s visual format.

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