I think it can be done on the suggestion only - showing different colors 
like here - second example is currently selected but you can see it with 
the same background

On Friday, January 21, 2022 at 11:08:14 AM UTC José Valim wrote:

> I would love to see how a prototype of this would work. One difficulty to 
> keep in mind is that, for a diff to work, you need to show both options 
> side by side. And I am not sure if repeating what you typed wrong will be 
> helpful. But someone has to play with those ideas before we are sure. :)
>
> On Wed, Jan 19, 2022 at 7:05 PM Daniel Kukuła <danie...@gmail.com> wrote:
>
>> ExUnit has this nice feature that it's showing the differences between 
>> the expectation and result in different colors. It would be nice to have 
>> something similar with the `did you mean suggestions`.
>> Rationale:
>> It's not the first time that when I made a typo and the compiler suggest 
>> the right function/module I'm struggling to see the difference between my 
>> code and the suggestions. With short strings it's easy but I got deeply 
>> nested modules and sometimes it takes some time to spot the typo.
>>
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