[Rd] R CMD build then check fails on R-devel due to serialization version

Hi, Since yesterday I'm seeing `R CMD check --as-cran` failures on the R-devel daily build (specifically, R Under development (unstable) (2018-01-09 r74100)) for multiple packages: * checking serialized R objects in the sources ... WARNING Found file(s) with version 3 serialization: ‘build/vignett

[Rd] Bug: dput/deparse with named character vector inside list

Hi, I noticed some R-devel failures on CRAN on a package I maintain: https://cloud.r-project.org/web/checks/check_results_httptest.html It appears that 'dput'/'deparse' is returning an invalid object when there is a named character vector inside a list. Here is a minimal example that reproduces th