#3449 NORM Untriag: Undo/Redo does not work properly while collaborating

[Zarro Boogs per Child]

#3449: Undo/Redo does not work properly while collaborating
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 Reporter:  uwog    |       Owner:  jg       
     Type:  defect  |      Status:  new      
 Priority:  normal  |   Milestone:  Untriaged
Component:  distro  |     Version:           
 Keywords:          |    Verified:  0        
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 When doing a collaboration session, undo/redo does not work properly for
 people joining a collaboration session (the person hosting the session has
 no problem). It might seem to work at first glance, but in its current
 state it can really mess up the collision handling algorithm when you
 happen to press undo while a collision was just detected.

 A new undo/redo stack in AbiWord is required to make this work properly.
 I've already started work on such a stack, but the code is unfinished at
 the moment.

 Note that this runs deep in AbiWord's core code, thus requiring extreme
 care not to break stuff in the process of implementing a new stack.

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Ticket URL: <https://dev.laptop.org/ticket/3449>
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