branch master updated (54d556b -> 708b54a)

[Ludovic Courtès]

civodul pushed a change to branch master
in repository guix.

      from  54d556b   gnu: youtube-dl: Update to 2017.03.16.
       new  708b54a   doc: Really document 'guix pack --format'.

The 1 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 | 24 +++++++++++++++++++-----
 1 file changed, 19 insertions(+), 5 deletions(-)