Single file merge in Subversion

Question

I\'m using Subversion 1.5 and have a single file in a branch that I want to merge into another branch. When I do a svn merge http://path/to/file I get an error,

Answer 1

I think you need to do a

svn merge http://server/repos/path/to -r 

where is the revision where the file was added. That way merge information is recorded (in case of a Subversion 1.5 or higher repository).