/usr/share/source-highlight/r.style is in libsource-highlight-common 3.1.8-1.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 | bgcolor "white";
comment brown i, noref;
keyword blue b ;
libsource "#489191";
costant darkgreen ;
string brown ; // viola scuro
assignment teal ;
special_fun purple ;
symbol purple ;
|