old code

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/mcs@56 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
new code

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/mcs@57 edb9625f-4e0d-4859-8d74-9fd3b1da38cb