Hi,
I believe the function utils::citation() will fail if the package specified has
two or more citation entries in the current R-devel. The following error is
issued:
'missing' can only be used for arguments
I have created a working example on github [0] that is build using R-devel on
travis-ci [1]. Jim Hester has potentially identified [2] the source of the
problem as being from a commit on the 27th [3, 4]. I do not have R-devel built
on my machine, but I believe this error can be reproduced on the current
R-devel with:
if (require("boot") & require("utils")) utils::citation("boot")
Background:
My package poppr suddenly started failing check on R-devel during a weekly
travis-ci job [5] due to the error above. Another package of mine, ezec, passed
[6]. Both contain calls to utils::citation() within the vignettes, but poppr
has two citations and ezec only has one (called from another package).
Thanks,
Zhian
[0]: https://github.com/zkamvar/citest
[1]: https://travis-ci.org/zkamvar/citest/jobs/217874351
[2]:
https://github.com/wch/r-source/commit/7890e9e87d44f85ab76c0e786036a191eacd71d1
[3]: https://svn.r-project.org/R/trunk@72419
[4]:
https://github.com/wch/r-source/commit/7890e9e87d44f85ab76c0e786036a191eacd71d1
[5]: https://travis-ci.org/grunwaldlab/poppr/jobs/216452458
[6]: https://travis-ci.org/grunwaldlab/ezec/jobs/216452916
-----
Zhian N. Kamvar, Ph. D.
Postdoctoral Researcher (Everhart Lab)
Department of Plant Pathology
University of Nebraska-Lincoln
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