branch master updated (beb7a28 -> e85d7ed)

[guix-commits]

civodul pushed a change to branch master
in repository guix.

    from beb7a28  gnu: luminance-hdr: Update to 2.6.0.
     new 9c7581a  doc: Use an existing commit in channel example.
     new cb3bae9  doc: Mention the channel keyring branch.
     new e85d7ed  quirks: Adjust patch to allow traveling back to Dec. 2018.

The 3 revisions listed above as "new" are entirely new to this
repository and will be described in separate emails.  The revisions
listed as "add" were already present in the repository and have only
been added to this reference.


Summary of changes:
 doc/guix.texi   | 22 ++++++++++++++++++++--
 guix/quirks.scm | 36 ++++++++++++++++++++++++------------
 2 files changed, 44 insertions(+), 14 deletions(-)