The two versions of this function are equivalent, but the "underscore" naming is preferred.
This function lists font files in the search path that can be
loaded by font_add().
Currently supported formats include TrueType fonts(*.ttf, *.ttc) and OpenType fonts(*.otf).
font_files()
font.files()A data frame containing the following information of the font files:
The directory that the font file is located in.
File name of the font.
Family name.
Font face.
Version of the font.
PostScript font name.
font_paths(), font_add()
if (FALSE) { # \dontrun{
font_files()
} # }