fix a bug

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/profiledisplay@197 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
fix a typo

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/profiledisplay@198 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
fix a typo and a bug

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/profiledisplay@199 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
fix a typo

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/profiledisplay@200 edb9625f-4e0d-4859-8d74-9fd3b1da38cb