$ \textbf{hg log -v -p -r 2}
changeset:   
user:        Bryan O'Sullivan <bos@serpentine.com>

files:       hello.c
description:
Introduce a typo into hello.c.


diff -r  -r  hello.c


@@ -11,6 +11,6 @@
 
 int main(int argc, char **argv)
 \{
-	printf("hello, world!\textbackslash{}n");
+	printf("hello, world!\textbackslash{}");
 	return 0;
 \}