Correction from Ben Bolker <bbolker@gmail.com>.

git-svn-id: https://svn.r-project.org/R/trunk@66627 00db46b3-68df-0310-9c12-caf00c1e9a41
+ third example


git-svn-id: https://svn.r-project.org/R/trunk@66628 00db46b3-68df-0310-9c12-caf00c1e9a41
fix merge(), new nobs() for dendrograms

git-svn-id: https://svn.r-project.org/R/trunk@66629 00db46b3-68df-0310-9c12-caf00c1e9a41
fix merge(), new nobs() for dendrograms

git-svn-id: https://svn.r-project.org/R/trunk@66630 00db46b3-68df-0310-9c12-caf00c1e9a41
fix 2 typos


git-svn-id: https://svn.r-project.org/R/trunk@66631 00db46b3-68df-0310-9c12-caf00c1e9a41
expose dynGet() {to be used in all.equal.*()}

git-svn-id: https://svn.r-project.org/R/trunk@66634 00db46b3-68df-0310-9c12-caf00c1e9a41
belongs to rev 66629

git-svn-id: https://svn.r-project.org/R/trunk@66635 00db46b3-68df-0310-9c12-caf00c1e9a41
VECSUBSET, VECSUBASSIGN, and friends now try to handle VECSXP values efficiently.


git-svn-id: https://svn.r-project.org/R/trunk@66636 00db46b3-68df-0310-9c12-caf00c1e9a41
new R Foundation (and R core) - patch from Dirk -- rather now than wait too long for the automated solution

git-svn-id: https://svn.r-project.org/R/trunk@66638 00db46b3-68df-0310-9c12-caf00c1e9a41
more sophisticated all.equal.environment(): no longer "simple" infinite recursions

git-svn-id: https://svn.r-project.org/R/trunk@66640 00db46b3-68df-0310-9c12-caf00c1e9a41
new R_has_methods_attached()

git-svn-id: https://svn.r-project.org/R/trunk@66641 00db46b3-68df-0310-9c12-caf00c1e9a41