need useBytes for package phreeqc

git-svn-id: https://svn.r-project.org/R/trunk@66157 00db46b3-68df-0310-9c12-caf00c1e9a41
add check on OS X for binary Tcl/Tk/X11 components

git-svn-id: https://svn.r-project.org/R/trunk@66158 00db46b3-68df-0310-9c12-caf00c1e9a41
updates

git-svn-id: https://svn.r-project.org/R/trunk@66160 00db46b3-68df-0310-9c12-caf00c1e9a41
update

git-svn-id: https://svn.r-project.org/R/trunk@66161 00db46b3-68df-0310-9c12-caf00c1e9a41
Preallocate S3 defautl class objects; from Tomas Kilbera.


git-svn-id: https://svn.r-project.org/R/trunk@66163 00db46b3-68df-0310-9c12-caf00c1e9a41
allow noweb directories in CRAN source packages

git-svn-id: https://svn.r-project.org/R/trunk@66164 00db46b3-68df-0310-9c12-caf00c1e9a41
Speed improvements to type2xyz functions; from Tomas Kalibera.


git-svn-id: https://svn.r-project.org/R/trunk@66165 00db46b3-68df-0310-9c12-caf00c1e9a41
tweak icuSetCollate

git-svn-id: https://svn.r-project.org/R/trunk@66166 00db46b3-68df-0310-9c12-caf00c1e9a41
test icuSetCollate examples

git-svn-id: https://svn.r-project.org/R/trunk@66168 00db46b3-68df-0310-9c12-caf00c1e9a41
say how to detect Tk windowing system

git-svn-id: https://svn.r-project.org/R/trunk@66169 00db46b3-68df-0310-9c12-caf00c1e9a41
report on some capabilities/options not used

git-svn-id: https://svn.r-project.org/R/trunk@66171 00db46b3-68df-0310-9c12-caf00c1e9a41
update

git-svn-id: https://svn.r-project.org/R/trunk@66172 00db46b3-68df-0310-9c12-caf00c1e9a41