fix handling of downloads of files > 2GB

git-svn-id: https://svn.r-project.org/R/trunk@66814 00db46b3-68df-0310-9c12-caf00c1e9a41
be more explicit about nano*.c copyrights

git-svn-id: https://svn.r-project.org/R/trunk@66816 00db46b3-68df-0310-9c12-caf00c1e9a41
remove Unix-only change

git-svn-id: https://svn.r-project.org/R/trunk@66818 00db46b3-68df-0310-9c12-caf00c1e9a41
update comments

git-svn-id: https://svn.r-project.org/R/trunk@66820 00db46b3-68df-0310-9c12-caf00c1e9a41
remove download.file(method = "lynx")

git-svn-id: https://svn.r-project.org/R/trunk@66822 00db46b3-68df-0310-9c12-caf00c1e9a41
correction: there are two separate methods

git-svn-id: https://svn.r-project.org/R/trunk@66823 00db46b3-68df-0310-9c12-caf00c1e9a41
report more BLASes

git-svn-id: https://svn.r-project.org/R/trunk@66824 00db46b3-68df-0310-9c12-caf00c1e9a41
remake

git-svn-id: https://svn.r-project.org/R/trunk@66826 00db46b3-68df-0310-9c12-caf00c1e9a41
add note

git-svn-id: https://svn.r-project.org/R/trunk@66827 00db46b3-68df-0310-9c12-caf00c1e9a41
tweak

git-svn-id: https://svn.r-project.org/R/trunk@66829 00db46b3-68df-0310-9c12-caf00c1e9a41
another tweak for WIN64

git-svn-id: https://svn.r-project.org/R/trunk@66830 00db46b3-68df-0310-9c12-caf00c1e9a41
tweaks

git-svn-id: https://svn.r-project.org/R/trunk@66832 00db46b3-68df-0310-9c12-caf00c1e9a41
minor simplification (as.double happens in C)


git-svn-id: https://svn.r-project.org/R/trunk@66833 00db46b3-68df-0310-9c12-caf00c1e9a41