Q: rsync, Windows, --backup-dir, parameters

[bzels123]

Hi,

I've seen a page on the internet :
http://optics.ph.unimelb.edu.au/help/rsync/rsync_pc1.html

Seems to me that I have some problems running the rsync binary
with "--backup-dir=PATH" options.
The command below runs just fine except for the option
above.
C:\rsync>rsync --delete -b --backup 
--backup-dir=/cygdrive/c/Doc/backup/Fri -ave ssh /cygd
rive/c/Doc/backup/desktop/ bart2 at 192.168.0.100:/home/bart2/current2
- --------------------
Log :
rsync: building file list...
rsync: 16 files to consider.
./
Fichier7.txt
Fichier9.txt
Mes Documents/
Mes Documents/Fichier6_.txt
Mes Documents/Fichier8.txt
Mes Documents/New Microsoft Excel Worksheet.xls
Mes Documents/New Microsoft Word Document.doc
Mes Documents/New OpenOffice.org 1.1.0 Texte.sxw
Mes Documents/fichier1.txt
Mes Documents/fichier2_modifDepuisLaDerniereSauvegard.txt
Mes Documents/fichier4Nouveau.txt
Mes Documents/fichier5_.txt
MesFavories.rar
fichier3Aeffacerntre2sauvegarde.txt
fichier5Nouveau.txt
backup_dir is /cygdrive/c/Doc/backup/Fri
wrote 145516 bytes  read 244 bytes  19434.67 bytes/sec
total size is 144445  speedup is 0.99
- --------------------

But directory "/cygdrive/c/Doc/backup/Fri"
is desperatly empty

Could you please Help me?
Do you think my version (rsync  version 2.5.1-dev) is bugged?

thanks in advance ,

Bart Zelsmnann