http://xs308.xs.to/xs308/06431/screenshot.png
If you look at lines 879-884 of the left pane, and lines 1583-1588 of the right pane you can see blue "signs" near line numbers. What do they signify ? I just did "vimdiff" and no special options. What do they mean, those spooky "signs", in the middle of no-difference region ? Yakov