Thank you, I will do that reversion in a few days.

Before I do, I want to ask if the default export generated by R CMD build 
should be changed.
the default is  exportPattern("."), which seems to be the cause of the problem.
Might the default be changed to exportPattern("^[^\\.]") ?

> On Mar 6, 2024, at 11:57, Joshua Ulrich <> wrote:
> On Wed, Mar 6, 2024 at 1:03 AM Richard M. Heiberger <> wrote:
>> Thank you Duncan, Jeff, Ivan.
>> I did all that Duncan and Jeff suggested, plus a bit more that appeared to 
>> be necessary.
>> All of what I did is documented in the RcmdrPlugin.HH/NEWS file.
>> Ivan's comments were received after I sent 1.1-50 to CRAN and it was 
>> accepted.
> I recommend you revert all the changes you made that are documented in
> the package NEWS, and at minimum follow Ivan's advice to use
> exportPattern("^[^\\.]") instead of exportPattern("."). It would be
> even better to follow the advice in Writing R Extensions and list each
> exported object individually.
>> I suggest that my notes in the NEWS file, perhaps augmented with Ivan's 
>> comments,
>> might be added to utils/man/globalVariables.Rd and to the
>> "
>> section ‘Package
>> structure’ in the ‘Writing R Extensions’ manual.
>> "
> That section of Writing R Extensions specifically says not to do what you did.
>    Beware of patterns which include names starting with a period: some
>    of these are internal-only variables and should never be exported,
>    e.g. ‘.__S3MethodsTable__.’ (and loading excludes known cases).
> Duncan pointed out that '.__global__' is an internal-only variable
> created by globalVariables(), which means it should never be exported
> by a package. Imagine the number of conflicts there would be if every
> package that used globalVariables() exported the '.__global__'
> object... there would probably be thousands, yikes!
> It's possible that future versions of 'R CMD check' will error if
> there are any incorrectly exported internal variables (like
> '.__global__'), which would cause your package to fail.
> Best,
> Josh
>>> On Mar 6, 2024, at 01:38, Ivan Krylov <> wrote:
>>> В Tue, 5 Mar 2024 22:41:32 +0000
>>> "Richard M. Heiberger" <> пишет:
>>>> Undocumented code objects:
>>>>  '.__global__'
>>>> All user-level objects in a package should have documentation
>>>> entries. See chapter 'Writing R documentation files' in the 'Writing R
>>>> Extensions' manual.
>>> This object is not here for the user of the package. If you don't
>>> export it, there will be no WARNING about it being undocumented. This
>>> variable is exported because of exportPattern(".") in the file
>>> NAMESPACE. The lone dot is a regular expression that matches any name
>>> of an R object.
>>> If you don't want to manually list your exports in the NAMESPACE file
>>> (which can get tedious) or generate it (which takes additional
>>> dependencies and build steps), you can use exportPattern('^[^\\.]') to
>>> export everything except objects with a name starting with a period:
>>> --
>>> Best regards,
>>> Ivan
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