https://bugzilla.wikimedia.org/show_bug.cgi?id=52983
Web browser: ---
Bug ID: 52983
Summary: Undo buffer can be fooled
Product: VisualEditor
Version: unspecified
Hardware: All
OS: All
Status: NEW
Severity: normal
Priority: Unprioritized
Component: General
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected]
Classification: Unclassified
Mobile Platform: ---
Something terrible happened behind the scenes in VE, see bug 52982. When I
tried to undo, the glitch-induced changes were not reverted, and it's possible
that the undo algorithm was responsible for further damage to the document.
I would review how operations are being stored in the stack. Are there content
checksums, or other error-checking measures such as absolute diff position? It
might be feasible to store entire copies of the page content as savepoints.
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