branch master updated (ce0663d -> 64324c3)

[Ludovic Courtès]

civodul pushed a change to branch master
in repository maintenance.

      from  ce0663d   hydra: dns: Fix CNAME typo.
       new  57c9ac5   refcard: Suggest 'guix gc -d'.
       new  64324c3   refcard: Document Guix System.

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/refcard/guix-refcard.lout | 105 ++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 102 insertions(+), 3 deletions(-)