Jeff Gentry <jgentry@jimmy.harvard.edu> writes: > > Using a current version of r-devel on a Debian GNU/Linux system I > > encounter an error in getBioC(relLevel="devel"). > > Is this happening to you on R-release? Is it possible that something has > changed in the time between R-release and now in the R-devel branch that > would be causing this? > > I'm downloading R-devel now, will see what is going on. I can't replicate > this using R-1.8 (which for about a week longer is what the BioC- devel is > going to be tracking instead of R-devel) The problem existed only in my modified version of R-devel. I had made a modification so that assignment of an attribute did not copy the value if NAMED(val) == 0. Up until now we thought that this modification would be benign and would give a performance boost to packages that use S4 classes and methods, which means most of Bioconductor. However, it seems this change is not benign. In a sense this is good news because it will allow us to isolate where the problem lies. I have not committed this change to r-devel so others need not worry about the use of a current r-devel breaking Bioconductor. -- Douglas Bates bates@stat.wisc.edu Statistics Department 608/262-2598 University of Wisconsin - Madison http://www.stat.wisc.edu/~bates/