yaml --- mainfont: NanumGothic output: pdf_document: latex_engine: xelatex --- The mainfont is the LaTex option. The argument is a font family. The exact names of the font family can be found in the fonts folder. Expand the header of the fonts folder. NanumGothic is the exact name of the font family.
The font family should be Editable embedding type (https://docs.microsoft.com/en-us/typography/opentype/spec/os2#fstype).
The LaTex engine should be xelatex.
Let’s use another Korean font on pdf generated by rmarkdown.