Ewout Kramer

There is a small side note here https://hl7.org/fhir/elementdefinition.html#interpretation, which says: > "or less commonly, make the extension mandatory (min=1) - i.e. if the extension is referenced in a profile, it...

To be more precise, this is the problematic part: ```csharp failure = new Result()(remainder, augmentedMessage, attempt.Expectations, attempt.Backtrack); ``` It's not unlikely that custom tokenizer would need to augment the error...

..and this is what I needed in the end: https://github.com/ewoutkramer/superpower/commit/9c2674f28fec0dae575f117a5f6c6a0f856e6a3e

As a fellow API designer we all know that you'll be stuck with your public interface for a long time. So, I'd do it just "on demand".

The scenario was that I wanted to build my own tokenizer, so I started with a copy of your (internal) `SimpleLinearTokenizer`, since it's pretty representative of what I wanted. However,...

Hi Nicholas - is there any chance you'll be looking into this? I worked around it, so it didn't bother me enough anymore to keep pushing. But it is still...

(and no is an acceptable answer BTW).

``` p.Catch(e => "some message") ``` Yes, that would actually be a good way to express it, as that would work in the 'for' part of a LINQ expression too....

The philosophical question is: "is a renamed property still the same property". * If *yes* ("conceptually the same thing, just renamed"): we need to distinguish between the "internal name" (e.g....