$ \textbf{hg tip -vp}
changeset:   
tag:         tip
user:        Bryan O'Sullivan <bos@serpentine.com>

files:       hello.c
description:
Added an extra line of output


diff -r  -r  hello.c


@@ -8,5 +8,6 @@
 int main(int argc, char **argv)
 \{
 	printf("hello, world!\textbackslash{}");
+	printf("hello again!\textbackslash{}n");
 	return 0;
 \}