:
-sanitize_diff_raw='/^:/s/ '"$_x40"' '"$_x40"' \([A-Z]\)[0-9]* / X X \1# /'
+sanitize_diff_raw='/^:/s/ '"\($_x40\)"' '"\($_x40\)"' \([A-Z]\)[0-9]* / \1 \2 \3# /'
compare_diff_raw () {
# When heuristics are improved, the score numbers would change.
# Ignore them while comparing.