--dry-run

I was reading through the subversion book at
http://svnbook.red-bean.com/en/1.0/ch09.html and came across the
"--dry-run" command. The book says that it "Goes through all the
motions of running a command, but makes no actual changes—either on
disk or in the repository." This seems pretty useful as I am still
learning my way around and don't want to screw things up.

However, I tried it with two command and got the same error:
svn update --dry-run
Subcommand 'update' doesn't accept option '--dry-run'
Type 'svn help update' for usage.

svn ci --dry-run
Subcommand 'commit' doesn't accept option '--dry-run'
Type 'svn help commit' for usage.

What am I doing wrong?

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Received on 2008-07-23 22:40:29 CEST