For whatever reason (may be a bug in the DM, or in the seralizer, or in selser), whitespace preservation didn't work in this edit https://en.wikipedia.org/w/index.php?title=International_Air_Transport_Association_airport_code&diff=530666305&oldid=526301045 . The whitespace changes didn't show in the initial diff I was asked to verify, only in the final change.
Version: unspecified
Severity: normal