Authorization failed: attempting svn propedit --revprop

Hi,

I am just learning SVN and am testing the usage of hook scripts. I'm trying
to get the pre-revprop-change.tmpl script working. I just renamed the
pre-revprop-change.tmpl to pre-revprop-change.pl and tried running the svn
command below on a sample repository.

C:\work\sesame>svn propedit --revprop -r 39 svn:log
svn://svn/repos/sesame/trunk/Numbers.txt
svn: Authorization failed

I get the Authorization failed error message. I'm not a PERL guy so one of
my questions is: is that template adequate or do I need to adjust it in some
way to get it working?

I am running Windows XP, SP2 + svn 1.4.3, and have Perl from ActiveState:

====================
C:\work\sesame>svn --version
svn, version 1.4.3 (r23084)
   compiled Jan 18 2007, 07:47:40

Copyright (C) 2000-2006 CollabNet.
Subversion is open source software, see http://subversion.tigris.org/
This product includes software developed by CollabNet (
http://www.Collab.Net/).

The following repository access (RA) modules are available:

* ra_dav : Module for accessing a repository via WebDAV (DeltaV) protocol.
  - handles 'http' scheme
  - handles 'https' scheme
* ra_svn : Module for accessing a repository using the svn network protocol.
  - handles 'svn' scheme
* ra_local : Module for accessing a repository on local disk.
  - handles 'file' scheme

====================
C:\work\sesame>perl -V
Summary of my perl5 (revision 5 version 8 subversion 7)...

Thanks,

-- 
Josh Blair
Golden, CO