Re: Two feature ideas for diffs

[nhs]

> The first is diff indicators in the sidebar. If the file is under
> version control and it is edited then a mark appears beside the
> changed lines and if it is clicked then you can see what's
> changed in the line or in that hunk, you don't have to do a full
> file diff which may contain many other changes unrelated to the
> current line. You can also rollback that particular change,
> etc. Is there something like this for emacs? If not it could be a
> useful addition.

There are git-gutter and git-gutter+. As the name suggests, they only 
work with git, but do what you describe.

    Nicolas