Is it possible to change an already committed commit message?

[Derek Atkins]

Christian,

On Sun, March 13, 2011 12:50 pm, Cristian Marchi wrote:
> I've mixed up a couple of modification that I wanted to commit
> separately and so I've committed them together erroneously. Is there a
> way to change the commit message for rev20415 from "Remove a unused
> screenshot." to "Change ppi to 144 for all figures and remove a unused
> screenshot."?
>
> I've tried with [1] but I have not permission to do it.
>
> I'm sorry for making a little mess.
>
> Thanks
> Cristian
>
> [1] http://subversion.apache.org/faq.html#change-log-msg

What happens if you use propedit?

-derek