Things it does edit
Cheap and cheerful userscript. When viewing diffs, underneath the "← Previous edit" and "Next edit →" links you'll see a {{diff2}} ready for copying-and-pasting. And that's it. Except for...
At no extra cost: a {{diff}}, too. Covers multiple revisions.
Also: {{fullurl}} on Special:Log pages. Not sure what that has to do with diffs. Probably time for a change of name...
Things it doesn't do edit
- Handle long strings very nicely.
Things it breaks edit
User:Cacycle/wikEdDiff.jsMaybe. Can't replicate right now.
Things other people can do edit
- Anything! Copy it into your own userspace, though - don't break my copy. Once you've got it working, I'd gladly review it and accept your changes (properly attributed to you, of course). It's worth pointing out that the last time I wrote anything in JavaScript was in a different century...