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Backport #15338 More recent versions of git have increased support for detection of renames meaning that a rename with diff changes is now supported. Although ParsePatch supports this - our templates do not and the simplest solution is simply to show the diff. Fix #15335 Signed-off-by: Andrew Thornton <art27@cantab.net> Co-authored-by: 6543 <6543@obermui.de>