Policy and Diff   

Is this possible to get a diff for the changeset in the custom policy 
implementation (IPolicyEvaluation implementation)?  By diff i mean standard 
diff file e.g. SVN creates. I need diff file to upload it to our code review 
system.

Thanks.

date: Mon, 19 Nov 2007 09:22:02 -0800   author:   Yahor Sinkevich