German sharp S uppercase mapping

[Julian Bradfield]

On 2024-12-03, Mark E. Shoulson via Unicode <unicode at corp.unicode.org> wrote:
> I remember when the debate about adding ẞ was ongoing here on this 
> list.  There were lots of old fonts shown which had a distinct uppercase 
> ß.  I remember that some insisted there was no such letter, pointing to 
> the pronouncements of the then-current Große Duden, which said that ß 
> capitalizes to SS, and yet the cover of *that very book*, in all-capital 
> letters an inch high, clearly showed its title as DER GROẞE DUDEN.

This intrigued me, so to save others searching, here's a photo of the
1957 edition:

https://www.megaknihy.cz/nezarazeno/4155556-der-grosse-duden.html