Possible fix for T54553
As I did see this pattern at several places I am not sure if I misunderstood the solution. And not sure how undostate is meant to be read. I added this as a patch for @Campbell Barton (campbellbarton) to review.
Differential D3139
Fix for T54553 Authored by Jeroen Bakker (jbakker) on Apr 9 2018, 4:08 PM.
Details
Possible fix for T54553 As I did see this pattern at several places I am not sure if I misunderstood the solution. And not sure how undostate is meant to be read. I added this as a patch for @Campbell Barton (campbellbarton) to review.
Diff Detail
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