diff -r c7163d82ea82 -r ff1f6d083022 essai.txt
--- a/essai.txt	Sun Mar 22 16:24:07 2015 +0100
+++ b/essai.txt	Sun Mar 22 16:53:16 2015 +0100
@@ -1,4 +1,5 @@
 qwertyuiop
 hgjhg
 aaa
+bbb