* gnu/packages/statistics.scm (r-dt): New variable.

* gnu/packages/statistics.scm (r-sparsem): New variable.

* gnu/packages/bioinformatics.scm (r-go-db): New variable.

* gnu/packages/bioinformatics.scm (r-genomicfeatures): New variable.

* gnu/packages/bioinformatics.scm (r-rtracklayer): New variable.

* gnu/packages/bioinformatics.scm (r-genomicalignments): New variable.

* gnu/packages/bioinformatics.scm (r-summarizedexperiment): New variable.

* gnu/packages/bioinformatics.scm (r-rsamtools): New variable.

* gnu/packages/bioinformatics.scm (r-biostrings): New variable.

* gnu/packages/bioinformatics.scm (r-biocparallel): New variable.

* gnu/packages/bioinformatics.scm (r-biomart): New variable.

* gnu/packages/bioinformatics.scm (r-annotationdbi): New variable.

* gnu/packages/bioinformatics.scm (r-biobase): New variable.

* gnu/packages/statistics.scm (r-snow): New variable.

* gnu/packages/statistics.scm (r-futile-logger): New variable.

* gnu/packages/statistics.scm (r-futile-options): New variable.

* gnu/packages/statistics.scm (r-lambda-r): New variable.

* gnu/packages/statistics.scm (r-xml): New variable.

* gnu/packages/statistics.scm (r-rcurl): New variable.

* gnu/packages/statistics.scm (r-rsqlite): New variable.

* guix/import/cran.scm (cran-fetch): Rename procedure ...
(fetch-description): ... to this.

* guix/import/cran.scm (package->upstream-name): New procedure.

* gnu/packages/xml.scm (xmlstarlet): New variable.

* gnu/packages/audio.scm (zita-convolver)[source]: Add snippet.

* gnu/packages/audio.scm (zita-resampler)[source]: Add snippet.

* gnu/packages/ruby.scm (ruby-ansi): New variable.

* gnu/packages/bioinformatics.scm (edirect): Update to 3.50.
[native-inputs]: Remove "unzip".

Fixes <http://bugs.gnu.org/16791>.

* gnu/packages/patches/w3m-force-ssl_verify_server-on.patch: New file.
* gnu/packages/patches/w3m-disable-sslv2-and-sslv3.patch: New file.
* gnu/packages/patches/w3m-disable-weak-ciphers.patch: New file.
* gnu/packages/w3m.scm (w3m)[source]: Add patches.
* gnu-system.am (dist_patch_DATA): Add the new files.

* gnu/packages/patches/w3m-fix-compile.patch: Rename this file...
* gnu/packages/patches/w3m-libgc.patch: ...to this, and adjust patch
prefix level to '-p1'.
* gnu-system.am (dist_patch_DATA): Update patch name.
* gnu/packages/w3m.scm (w3m)[source]: Update patch name.
[source]: Drop patch flag -p0.

* guix/build-system/gnu.scm (package-with-explicit-inputs): Use
  'ensure-keyword-arguments' instead of appending to ARGS.
* gnu/packages/commencement.scm (static-bash-for-glibc): Add missing
  #:guile argument.

* guix/utils.scm (delkw, ensure-keyword-arguments): New procedures.
* tests/utils.scm ("ensure-keyword-arguments"): New test.

* guix/http-client.scm (read-header-line): New procedure.  Use it.

* gnu/packages/package-management.scm (guix-devel): Update to f888c0b1.

* guix/http-client.scm: Fix Guile version number in comment for Guile
commit 5a10e41.

* gnu/packages/maths.scm (gmsh): Update to 2.11.0.
  [arguments]: Replace 'check phase.

* guix/scripts/lint.scm (package-vulnerabilities): Catch
'getaddrinfo-error'.

* gnu/packages/admin.scm (sudo)[arguments]: Pass
--with-rundir=/var/run/sudo since /var/run is cleaned up at boot time on
GuixSD whereas /run is not.

This makes sure that critical errors such as unbound-variable do not go
undetected.

* gnu/services.scm (cleanup-gexp): Introduce local 'fail-safe' macro and
use it.  Remove uses of 'false-if-exception'.

* gnu/packages/ldc.scm (ldc)[license]: Replace invalid use of
'license:x11-style' by LICENSE:BOOST1.0.

The .gem file stored in GEM_HOME after install is both redundant and an
archive that stores timestamped files which makes builds
non-deterministic, so delete it after 'gem install'.

* guix/build/ruby-build-system.scm (install): Remove cached gem after
  install.