/usr/share/doc/peg/examples/localpeg.ref is in peg 0.1.18-1.
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 | a1 ab1 .
a2 ac2 .
a3 ad3 .
a3 ae3 .
a4 af4 afg4 .
a4 af5 afh5 .
a4 af4 afg4 .
a4 af5 afh5 .
af6 afi6 a6 .
af6 af7 afj7 a6 .
|