Follow this procedure to merge and revert changes from a range of revisions. 
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Select  from the main menu to open the Merge/Revert dialog.
 
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Enter the repository URL and Revision.
 
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Check the Range ends with a different URL check box and specify the revision URL and version to
close the range.
 
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Specify the working copy directory to be updated in the working copy path.
 
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Select the desired merge options
 
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Click Merge/Revert.