The help page of .First.lib in rw2000dev, downloaded a few hours ago,
contains:
Packages that require other packages:
The source code for a package that requires one or more other
packages should have a call to 'require', preferably near the
beginning of the source, and of course before any code that uses
functions, classes or methods from the other package. The default
for argument 'save' will save the names of all required packages
in the environment of the new package. The saved package names
are used by 'detach' when a package is detached to warn if other
packages still require the detached package. Also, if a package
is installed with saved image (see INSTALL), the saved package
names are used to require these packages when the new package is
attached.
which is contradicted, by the information on the page
http://developer.r-project.org/200update.txt
which bans require etc.
Kjetil
--
Kjetil Halvorsen.
Peace is the most effective weapon of mass construction.
-- Mahdi Elmandjra
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