Am I being unreasonable?

[7on]

 

[Tiggs]

Not enough info provided to make a call either way. have any generic details you can add?

 

[Albright]

Are you using a versioning system of some sort (SVN, Git, etc)? If so, it should be fairly simple to see what they've changed. If not, you still may be able to figure it out by using diff.