It doesn't really make sense to try to delete a value from a RVKC since without some value they're invalid as far as I know.
It doesn't really make sense to try to delete a value from a RVKC since without some value they're invalid as far as I know.

git-svn-id: c118b69fa3a1b5ee17407420b8e7078e2ac75931@1182 ed100bfc-0583-0410-97f2-c26b58777a21

spacetelescope/PyFITS,embray/PyFITS,embray/PyFITS,embray/PyFITS,spacetelescope/PyFITS,embray/PyFITS