Swiss High German has one fewer letter than Standard High German. But why?

When prowling through various orthographies, and their changes throughout modernity, I came across a particularly interesting case study on the use of the letter "eszett" (or scharfes es) in relation to the surrounding vowels, the letter s, and the digraph ss. These changes somehow disproportionately applied to Standard German, particularly those used in Germany and … Continue reading Swiss High German has one fewer letter than Standard High German. But why?