Well...
Everything went well...
I had translated some records, I had commited the changes to HEAD...
Now I'm at point 7. I want to create a branch DRUPAL-5 but I got error from CVS:
** Access denied: claudiucristea does not have permission to tag files in:
** contributions/translations/ro
** Please contact the owner of this project and request to be added
** as a CVS maintainer, see http://drupal.org/node/63634.