symbols - What is the best way to use quotation mark glyphs? - TeX - LaTeX Stack Exchange
Aaron J. Snoswell, PhD on Twitter: "Today I learned: Different languages and cultures prefer different quotation marks! I always assumed these symbols were Unicode formatting errors :S #PhDLife #TIL Thanks @overleaf https://t.co/iCrJaVW7Ma
Polyglossia: A Babel replacement for XeLaTeX and LuaLaTeX - Mirror
Quotation Marks and Dashes
xetex - XeLatex and greek quotation marks - TeX - LaTeX Stack Exchange