SVN undo Modification

1, update to the latest version

Do not know which file is the problem, can be SVN log to view the log, basically can be submitted by which to modify which file to calculate the

Is the issue of which file.

If you know which file is the problem, direct SVN log file name

After roughly determining the issue of that version. For example, the revision of version 84 issues

2,SVN diff-r 83:84 file name

comparison, if it's a 84 version of the problem

3,SVN merge-r 84:83 file name

For the sake of insurance, confirm the results of the merger again:
SVN diff file name
Found that the changes have been correctly revoked and submitted.
4, submit changes
SVN commit-m "Revert wrong change from R84"

SVN undo Modification