[Bug 274647] Re: Thunderbird fails to perform undo operations correctly

[Bug Watch Updater]

** Changed in: thunderbird
   Importance: High => Critical

-- 
You received this bug notification because you are a member of Mozilla
Bugs, which is subscribed to Mozilla.
https://bugs.launchpad.net/bugs/274647

Title:
  Thunderbird fails to perform undo operations correctly

To manage notifications about this bug go to:
https://bugs.launchpad.net/thunderbird/+bug/274647/+subscriptions