[tbb-bugs] #18914 [Applications/Tor Browser]: Consider removing <isindex>

[Tor Bug Tracker & Wiki]

#18914: Consider removing <isindex>
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     Reporter:  mcs                       |      Owner:  tbb-team
         Type:  defect                    |     Status:  new
     Priority:  Medium                    |  Milestone:
    Component:  Applications/Tor Browser  |    Version:
     Severity:  Normal                    |   Keywords:  ff45-esr
Actual Points:                            |  Parent ID:
       Points:                            |   Reviewer:
      Sponsor:                            |
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 Mozilla is thinking about removing support for <isindex> HTML element.
 References:
  https://developer.mozilla.org/en-US/docs/Web/HTML/Element/isindex
  https://groups.google.com/forum/#!topic/mozilla.dev.platform/DV3YBf7wI3M
 and
  https://bugzilla.mozilla.org/show_bug.cgi?id=1266495

 The reason we might want to do this for TB 6.0 is that <isindex> generates
 a form that has a label that contains text that comes from the browser's
 UI locale (thus leaking that information).

 There is a risk that some sites are using this tag.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/18914>
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