tweaks

git-svn-id: https://svn.r-project.org/R/trunk@65080 00db46b3-68df-0310-9c12-caf00c1e9a41
.convertRdfiles(): 'f' must a full-path filename


git-svn-id: https://svn.r-project.org/R/trunk@65082 00db46b3-68df-0310-9c12-caf00c1e9a41
(2nd part of fix): var. renaming only


git-svn-id: https://svn.r-project.org/R/trunk@65083 00db46b3-68df-0310-9c12-caf00c1e9a41
allow "/" and "d:/"

git-svn-id: https://svn.r-project.org/R/trunk@65085 00db46b3-68df-0310-9c12-caf00c1e9a41
typo, update

git-svn-id: https://svn.r-project.org/R/trunk@65086 00db46b3-68df-0310-9c12-caf00c1e9a41
up

git-svn-id: https://svn.r-project.org/R/trunk@65088 00db46b3-68df-0310-9c12-caf00c1e9a41
revert

git-svn-id: https://svn.r-project.org/R/trunk@65089 00db46b3-68df-0310-9c12-caf00c1e9a41
revert

git-svn-id: https://svn.r-project.org/R/trunk@65090 00db46b3-68df-0310-9c12-caf00c1e9a41