Re-sign subkey binding with changed digest?

[Andrew Gallagher]

> On 8 Jan 2020, at 20:05, Phil Pennock via Gnupg-users <gnupg-users at gnupg.org> wrote:
> 
> How do I re-sign the subkey binding for a [S] signing subkey, to keep
> the same key but make the association from the main key be with SHA256
> please?

Have you tried changing the subkey expiry? Or does that reuse the same hash?

A