Index: diff_test.txt
===================================================================
RCS file: /repos/testcvs/diff_test.txt,v
retrieving revision 1.1
retrieving revision 1.3
diff -r1.1 -r1.3
1,2c1,2
< mary had a little lamb
< its fleece was white as snow
---
> mary had a little dog
> its flees got everywhere
4c4
< the lamb was sure to go
---
> the dog was sure to poo