rspec/rspec-expectations — pull request #333 by JonRowe (2013-10-06 09:58:30+00:00)
Title: expect().to match does not give a diff when failing

In https://github.com/rspec/rspec-expectations/blob/master/features/diffing.feature#L46 it should be possible to change the line to

```ruby
expect(actual).to match(expected)
```

but doing that does not result in the diff being produced.