https://svn.apache.org/repos/asf/subversion/site/publish/faq.html#undo
It's the most frequently asked question on IRC, and I'm tried of
invoking the 'undo' factoid, perhaps people can help patch that entry to
make it clearer?
Thanks.
< wayita> undo is done using 'svn merge' or 'svn copy':
http://svnbook.red-bean.com/nightly/en/svn.branchmerge.basicmerging.html#svn.branchmerge.basicmerging.undo
