Improve code and documentation.

git-svn-id: https://svn.r-project.org/R/trunk@63168 00db46b3-68df-0310-9c12-caf00c1e9a41
Improve test for installed packages in package sources.

git-svn-id: https://svn.r-project.org/R/trunk@63169 00db46b3-68df-0310-9c12-caf00c1e9a41
document use of stats::model.frame etc

git-svn-id: https://svn.r-project.org/R/trunk@63170 00db46b3-68df-0310-9c12-caf00c1e9a41
manage R_alloc stack in helpers where possible, for prudence
add comments where not possible


git-svn-id: https://svn.r-project.org/R/trunk@63171 00db46b3-68df-0310-9c12-caf00c1e9a41
document change of return value, which broke DierckxSpline.
doX could have been NA, and was in 9 packages.


git-svn-id: https://svn.r-project.org/R/trunk@63172 00db46b3-68df-0310-9c12-caf00c1e9a41
assertCondition() tweaks (from jmc); add \link{}s to it

git-svn-id: https://svn.r-project.org/R/trunk@63173 00db46b3-68df-0310-9c12-caf00c1e9a41
comments

git-svn-id: https://svn.r-project.org/R/trunk@63174 00db46b3-68df-0310-9c12-caf00c1e9a41
need to discard names

git-svn-id: https://svn.r-project.org/R/trunk@63175 00db46b3-68df-0310-9c12-caf00c1e9a41
Added some vmaxget/set pairs.


git-svn-id: https://svn.r-project.org/R/trunk@63176 00db46b3-68df-0310-9c12-caf00c1e9a41
assertError(): white space cosmetic

git-svn-id: https://svn.r-project.org/R/trunk@63178 00db46b3-68df-0310-9c12-caf00c1e9a41
Profiling now records calls to BUILTIN functions from byte compiled code.


git-svn-id: https://svn.r-project.org/R/trunk@63179 00db46b3-68df-0310-9c12-caf00c1e9a41
micro-manage R_alloc stack

git-svn-id: https://svn.r-project.org/R/trunk@63181 00db46b3-68df-0310-9c12-caf00c1e9a41
Missing semicolon

git-svn-id: https://svn.r-project.org/R/trunk@63182 00db46b3-68df-0310-9c12-caf00c1e9a41
Bugs in error detection in lsfit

git-svn-id: https://svn.r-project.org/R/trunk@63183 00db46b3-68df-0310-9c12-caf00c1e9a41
Fixed pailist code in vectorIndex (PR15379).


git-svn-id: https://svn.r-project.org/R/trunk@63185 00db46b3-68df-0310-9c12-caf00c1e9a41
revert

git-svn-id: https://svn.r-project.org/R/trunk@63187 00db46b3-68df-0310-9c12-caf00c1e9a41
better solution

git-svn-id: https://svn.r-project.org/R/trunk@63188 00db46b3-68df-0310-9c12-caf00c1e9a41
put copyrights back in HTML/info versions

git-svn-id: https://svn.r-project.org/R/trunk@63189 00db46b3-68df-0310-9c12-caf00c1e9a41
use @insertcopying

git-svn-id: https://svn.r-project.org/R/trunk@63190 00db46b3-68df-0310-9c12-caf00c1e9a41
Correction.

git-svn-id: https://svn.r-project.org/R/trunk@63193 00db46b3-68df-0310-9c12-caf00c1e9a41