Rd syntax.

git-svn-id: https://svn.r-project.org/R/trunk@64850 00db46b3-68df-0310-9c12-caf00c1e9a41
skip vignettes in survival for now

git-svn-id: https://svn.r-project.org/R/trunk@64851 00db46b3-68df-0310-9c12-caf00c1e9a41
updates, clarifications

git-svn-id: https://svn.r-project.org/R/trunk@64853 00db46b3-68df-0310-9c12-caf00c1e9a41
INCREMENT/DECREMENT refcnt on RHS in assignment instead of FIXUP_RHS_NAMED.


git-svn-id: https://svn.r-project.org/R/trunk@64854 00db46b3-68df-0310-9c12-caf00c1e9a41
Revert inadvertent commit.


git-svn-id: https://svn.r-project.org/R/trunk@64855 00db46b3-68df-0310-9c12-caf00c1e9a41