branch master updated (3bcfe23 -> 873c408)

[Ludovic Courtès]

civodul pushed a change to branch master
in repository guix.

      from  3bcfe23   substitute-binary: Let the user know when the cache is 
being updated.
       new  ffc3a02   services: xorg: Define the <session-type> record type.
       new  873c408   doc: Expound a bit on 'guix lint'.

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         |   39 ++++++++++++++++++++++++--
 gnu/services/xorg.scm |   73 +++++++++++++++++++++++++++++++-----------------
 2 files changed, 83 insertions(+), 29 deletions(-)