This commit alone represents a performance drop by 300% (3 times slower),
and is kept only to track changes.
The next 5 commits will improve performance, leading to an
overall 500% improvement (5 times faster than before this commit)


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@36583 20353a03-c40f-0410-a6d1-a30d3c3de9de