branch core-updates updated (c4a298c -> 094b2ef)

[Ludovic Courtès]

civodul pushed a change to branch core-updates
in repository guix.

      from  c4a298c   gnu: grep: Update to 2.21.
       new  97e1120   gnu: glibc: Do not install all the locales.
       new  094b2ef   utils: Improve docstring of 'substitute*' & co.

The 2 revisions listed above as "new" are entirely new to this
repository and will be described in separate emails.  The revisions
listed as "adds" were already present in the repository and have only
been added to this reference.


Summary of changes:
 gnu/packages/base.scm |   28 +++++++++++++---------------
 guix/build/utils.scm  |   14 +++++++++-----
 2 files changed, 22 insertions(+), 20 deletions(-)