[tbb-bugs] #33998 [Applications/Tor Browser]: stop using XUL <grid> soon

[Tor Bug Tracker & Wiki]

#33998: stop using XUL <grid> soon
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 Reporter:  mcs                                  |          Owner:  mcs
     Type:  defect                               |         Status:
                                                 |  needs_review
 Priority:  Medium                               |      Milestone:
Component:  Applications/Tor Browser             |        Version:
 Severity:  Normal                               |     Resolution:
 Keywords:                                       |  Actual Points:
  ReleaseTrainMigration,ff78-esr,TorBrowserTeam202006R|
Parent ID:                                       |         Points:
 Reviewer:                                       |        Sponsor:
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Comment (by acat):

 It seems `<grid>` was not yet removed in 78, but it's good to stop using
 it in any case.

 Looks good, just one small nit: with the changes, the `torPreferences-
 advanced-textboxAllowedPorts` input does not fully expand until the end of
 the column as before, maybe now it needs `-moz-box-flex: 1;` for that?

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/33998#comment:5>
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