Is there a way to tell when reintegrate option used with svn merge?

Is there a way in Subversion 1.6, using logs, mergeinfo, etc., to determine when a merge was done with the --reintegrate option? (Thi开发者_运维知识库s presumes one knows which commits are the results of merges.)

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The only information stored is the list of revisions that were merged. How they were merged is not recorded.

You can make a good guess by examining the file contents, though: After a reintegrate merge, the only difference between merge source and merge destination will be those revisions of the merge destination that were not previously merged to the merge source.