I think, for changes within a line, wdiff would be the usual tool - but even if it's possible to pipe that through colordiff - I don't think there's a side-by-s

I think, for changes within a line, wdiff would be the usual tool - but even if it's possible to pipe that through colordiff - I don't think there's a side-by-side mode for wdiff. But yeah, I see that in-line highlighting of changes can be helpful sometimes :)