Make Greek presentations with pandoc + markdown + beamer/latex
the command: pandoc -t beamer source.md -o pres.pdf --pdf-engine=xelatex -V mainfont="Noto Sans:style=Bold Italic"
The font (Noto Sans:style=Bold Italic in this case) needs to support the language. To find fonts that support Greek use the following command: fc-list :lang=el