Hi to all


Authors@R: c(person("fooa","foob", role = c("aut","cre"),
                      email = "fooa.foob@fooc.de"),
         person("foo1","foo2", role = c("ctb"),
                 email = "foo1.foo2@foo3.de"))
Author: fooa foob, with contributions from foo1 foo2
using r CMD check --as-cran ..   (R 3.1 and Windows) I get an error

Author field differs from that derived from Authors@R
   Author:    'fooa foob, with contributions from foo1 foo2
   Authors@R: 'fooa foob [aut, cre], foo1 foo2 [ctb]'

as I can see it is the same as in 
http://cran.r-project.org/doc/manuals/R-exts.html#The-DESCRIPTION-file

and additionally
 > Both 'Author' and 'Maintainer' fields can be omitted if a suitable 
'Authors@R' field is given.

is not working if the Author field is empty  or missing it will give an 
error

Kind regards Knut

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