Thanks so much for looking into this.

On Sat, Dec 24, 2022 at 10:01 AM miha wrote:

> Two possible ideas to solve this:
>
> - Introduce a new marker to separate user input from process output.
>
> - Use text properties to distinguish user input from process output.
>   This is what comint.el does, it marks process output with 'field' =
>   'output'.
>

Is one of these options preferred? The second idea sounds more robust, and
also it is nice that the example of comint.el exists for it. But perhaps I
am naive about what they require.