added graphics:::C_new_page for testing

git-svn-id: https://svn.r-project.org/R/trunk@63713 00db46b3-68df-0310-9c12-caf00c1e9a41
markup, clarification

git-svn-id: https://svn.r-project.org/R/trunk@63714 00db46b3-68df-0310-9c12-caf00c1e9a41
update

git-svn-id: https://svn.r-project.org/R/trunk@63716 00db46b3-68df-0310-9c12-caf00c1e9a41
clean up

git-svn-id: https://svn.r-project.org/R/trunk@63717 00db46b3-68df-0310-9c12-caf00c1e9a41
tidy up

git-svn-id: https://svn.r-project.org/R/trunk@63718 00db46b3-68df-0310-9c12-caf00c1e9a41