1 min lesson
When Tab crosses files
Talk this through in your own words: "The edit looks plausible. Which warning sign do you check first?" Finish with the next move.
Step 1 of 3
A plausible suggestion can still hide this problem: Accepting cross-file edits without opening the target file.
Interactive diagram. Tab through its regions; each focused region shows its detail in the panel below.
diagram: compare
Pick a row to see what to look for.