branch master updated (0959478 -> c940b8e)

[???]

iyzsong pushed a change to branch master
in repository guix.

      from  0959478   gnu: Add missing module import to (gnu packages ldc).
       new  f88371e   services: Add opensmtpd service.
       new  c940b8e   doc: mysql-configuration: Fix typo.

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:
 doc/guix.texi         |   44 ++++++++++++++++++++------
 gnu/services/mail.scm |   82 ++++++++++++++++++++++++++++++++++++++++++++++++-
 2 files changed, 115 insertions(+), 11 deletions(-)