Remove document listener from *old* document on setDocument() #3384
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UpdateDocumentListener is added to document but not always removed in ProjectionViewer, regression introduced by commit eclipse-platform@1848058 This fixes remaining possible leak, where *multiple* documents were used in ProjectionViewer. See eclipse-jdt/eclipse.jdt.ui#2532
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UpdateDocumentListener is added to document but not always removed in ProjectionViewer, regression introduced by commit 1848058
This fixes remaining possible leak, where multiple documents were used in ProjectionViewer.
See eclipse-jdt/eclipse.jdt.ui#2532