"lty" specifications : \seealso par()


git-svn-id: https://svn.r-project.org/R/trunk@61645 00db46b3-68df-0310-9c12-caf00c1e9a41
some cleaning up

git-svn-id: https://svn.r-project.org/R/trunk@61646 00db46b3-68df-0310-9c12-caf00c1e9a41