如何在SVN中从分支合并到分支再返回（双向合并）？

Using the svnmerge.py tool it is possible to merge between branches, up and down. It is hard to find the details for doing this. Hopefully, v1.5 will have a neat method for doing this without using svnmerge.py - details requested!Using the svnmerge.py tool it is possible to me