3 42 /etc/hosts
1 1 non-absolute-path
0 1 /tmp/line0
9 0 /tmp/col0

123 456 /tmp/foo
4521 1 /home/user/file.txt

9
1 
5 6
7 8 
4 3  /tmp/invalid-field-delim
4 3:/usr/invalid-delim
4,3 /usr/invalid-delim
