Re: Scope of step types

> The step and pipeline types visible in a pipeline or library are:

Oops, I missed a case,

>  - the standard built-in types;
>  - any implementation-provided types;
>  - the types visible in any library that is imported;
 - the pipelines that are imported;
>  - the step types declared in the pipeline or library;
>  - for a pipeline, the pipeline itself;
>  - for a library, any pipelines defined in it.

-- Richard