Add comment.

paper-trail-gem · Jul 14, 2011 · 6367d34 · 6367d34
1 parent afa1b14
commit 6367d34
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/lib/paper_trail/has_paper_trail.rb b/lib/paper_trail/has_paper_trail.rb
@@ -115,6 +115,7 @@ def record_update
             :whodunnit => PaperTrail.whodunnit
           }
           if Version.method_defined? :object_changes
+            # The double negative (reject, !include?) preserves the hash structure of self.changes.
             data[:object_changes] = self.changes.reject do |key, value|
               !notably_changed.include?(key)
             end.to_yaml