[tbb-bugs] #18220 [Tor Browser]: PDF Preview in Tor Browser is broken

[Tor Bug Tracker & Wiki]

#18220: PDF Preview in Tor Browser is broken
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 Reporter:  bugzilla     |          Owner:  tbb-team
     Type:  defect       |         Status:  needs_information
 Priority:  Medium       |      Milestone:
Component:  Tor Browser  |        Version:
 Severity:  Normal       |     Resolution:
 Keywords:               |  Actual Points:
Parent ID:               |         Points:
  Sponsor:               |
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Comment (by cypherpunks):

 Replying to [comment:2 bugzilla]:
 > Replying to [comment:1 cypherpunks]:
 > > What is broken exactly?
 > Try to open that link in Tor Browser. Problem seems to be with second
 instance of firefox.exe (not #17207).
 I get a save dialog because the server sends a `Content-Disposition:
 attachment` header. This header forces Tor Browser to display the save
 dialog instead of showing the content in the browser.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/18220#comment:3>
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