$ \textbf{echo 'line 3' >> file1}
$ \textbf{hg status}
M file1
$ \textbf{hg qrefresh}
$ \textbf{hg tip --style=compact --patch}
1[qtip,first.patch,tip,qbase]   
  [mq]: first.patch

diff -r  -r  file1


@@ -1,1 +1,3 @@ line 1
 line 1
+line 2
+line 3