Problem when checkouting a directory with -r tag

[Chabannes Hervé]

Hi,

I have a strange problem. I have the following directory structure :

Main/A/Hdr
Main/A/Doc
Main/A/Src
Main/A/Libs
Main/A/Makefile
Main/B/...
Main/C/...
...

I did a 'cvs co A', 'cvs ci -m ""', 'cvs tag MyTag A'. No errors, everything 
went fine.
Now, when I do a 'cvs co A', I get all my files.
But when I do a 'cvs co -r MyTag A', I don't get the Libs directory.

I have also tagged project A from Main with MainLabel.
When I do a 'cvs co Main', I get all my files in A.
But when I do a 'cvs co -r MainLabel Main', I don't get the Libs directory.

I don't know why my Libs directory is not present when I do a checkout with -r 
tag.

Does anyone have an idea of what to do to avoid this problem ?

Thanks.

Herve