Can you edit the log if you make a mistake while specifying some commit comments?
Open the log message window (Show Log), right-click on the log message and select "Edit Log Message".
By default, you cannot edit the log message. To change this default behavior, you (or your SVN administrator) must set a suitable pre-override hook.
In the online version of Version Control with Subversion , the book describes what pre-revprop-change hook is and how to install one.
fooobar.com/questions/93525 / ... there is pre-revprop-change content that you can cut and paste to enable editing of log messages.