This generator converts all umlauts äÄöÖüÜ and ßẞ in its correct html equivalent. When the jekyll site is generated all umlauts will be converted to html.
ü = ü Ü = Ü
ä = ä Ä = Ä
ö = ö Ö = Ö
ß = ß ẞ = ẞ
gem install jekyll-umlauts
gem update jekyll-umlauts