This seems to be a poorly writen article for various reasons: > The grapheme has an intermediate position between letter and ligature. It might have been a li

This seems to be a poorly writen article for various reasons: > The grapheme has an intermediate position between letter and ligature. It might have been a ligature in the past, but it is definitely not a ligature today. A ligature is a purely typographical device that is completely interchangeable with the non-ligature variant. This is not the case with ß. > It behaves as a ligature in that it has no separate position in the alphabet. Not having a separate position is not sufficient evidence that it is a ligature. ä, ö, ü also don't have separate positions when ordering stuff. > It also has no traditional capital form (although some type designers have introduced forms of "capital ß" de facto). It had the same traditional from for almost 130 years. Yes, there are a few stylistic variations on the traditional forms, as well as some early experiments trying something completely different which have never been widely adopted. > It behaves like a letter [...] It is a letter, just like w is a letter, not a vv ligature.