modernize use of ICU

git-svn-id: https://svn.r-project.org/R/trunk@66031 00db46b3-68df-0310-9c12-caf00c1e9a41
report status

git-svn-id: https://svn.r-project.org/R/trunk@66032 00db46b3-68df-0310-9c12-caf00c1e9a41
in case capabiliites includes ICU

git-svn-id: https://svn.r-project.org/R/trunk@66033 00db46b3-68df-0310-9c12-caf00c1e9a41
updates

git-svn-id: https://svn.r-project.org/R/trunk@66034 00db46b3-68df-0310-9c12-caf00c1e9a41
add comment

git-svn-id: https://svn.r-project.org/R/trunk@66036 00db46b3-68df-0310-9c12-caf00c1e9a41
add capabilities("ICU")

git-svn-id: https://svn.r-project.org/R/trunk@66038 00db46b3-68df-0310-9c12-caf00c1e9a41
update

git-svn-id: https://svn.r-project.org/R/trunk@66039 00db46b3-68df-0310-9c12-caf00c1e9a41
mention ICU and cairographics

git-svn-id: https://svn.r-project.org/R/trunk@66040 00db46b3-68df-0310-9c12-caf00c1e9a41
remove references to XP

git-svn-id: https://svn.r-project.org/R/trunk@66042 00db46b3-68df-0310-9c12-caf00c1e9a41