Index of /tests/evil/page-loading/alternative-content/investigation/ieisms
      Name                                                        Last modified      Size  Description
      Parent Directory                                                                 -   
      001-demo.html                                               2004-05-02 11:58  308   
      002-demo-patient.html                                       2004-05-02 11:58  319   
      002-demo-quick.html                                         2004-05-02 11:58  301   
      002-demo-thorough.html                                      2004-05-02 11:58  456   
      002-demo.html                                               2004-05-02 11:58  299   
      003-demo-patient.html                                       2004-05-02 11:58  319   
      003-demo-quick.html                                         2004-05-02 11:58  301   
      003-demo-thorough.html                                      2004-05-02 11:58  456   
      003-demo.html                                               2004-05-02 11:58  299   
      004-demo.html                                               2004-05-02 11:58  293   
      005-demo.html                                               2004-05-02 11:58  293   
      006-demo.html                                               2004-05-02 12:25  729   
The interesting pair are 004-demo.html and 005-demo.html, which show
that IE is doing extension sniffing of the value of the data attribute
to decide whether or not to include the object in the DOM (!).