rails/rails — pull request #8016 by sidonath (2012-10-23 12:47:23+00:00)
Title: Pass :full_messages option from Responder to AM::Errors

Issue #5075 added a nice feature to provider client-side with full error messages arranged by model fields. With this patch, it's now possible to provide that option directly from `respond_with`, e.g.:

```ruby
def update
@user.update_attributes(params[:user])
```