Re: with-input name="source"

> Could I have an example of a step where it’s different?

I think the answer is on p:viewport and p:for-each.

> Is there a way I can tell in the spec?

Yes, but perhaps its a little indirect. In the description of both those steps, you’ll find that they have “a single anonymous input”.

                                        Be seeing you,
                                          norm

--
Norm Tovey-Walsh <ndw@nwalsh.com>
https://norm.tovey-walsh.com/

> Where it is permissible both to die and not to die, it is an abuse of
> valour to die.--Mencius