[Bugs] #4246 Browse NORM: Esc closes the pdf tab

[Sugar Labs Bugs]

#4246: Esc closes the pdf tab
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    Reporter:  humitos                            |          Owner:  humitos    
        Type:  defect                             |         Status:  closed     
    Priority:  Normal                             |      Milestone:  0.98       
   Component:  Browse                             |        Version:  Unspecified
    Severity:  Unspecified                        |     Resolution:  fixed      
    Keywords:  regression, r+, olpc-test-pending  |   Distribution:  Unspecified
Status_field:  Unconfirmed                        |  
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Comment(by greenfeld):

 I still see the PDF tab closed with this patch present in Browse-148 if I
 press ESC after clicking a PDF link but before the time the Web Browser
 has had time to fully download the file.

 What exactly was fixed by this patch?

 (Of note is that I'm slightly nervous about seeing relative (<=, <)
 comparisons made with enums or a flag field, but I presume you have
 double-checked this is acceptable.)

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Ticket URL: <http://bugs.sugarlabs.org/ticket/4246#comment:4>
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