doc: Document `guix refresh'.
authorLudovic Courtès <ludo@gnu.org>
Wed, 8 May 2013 14:07:50 +0000 (16:07 +0200)
committerLudovic Courtès <ludo@gnu.org>
Wed, 8 May 2013 14:07:50 +0000 (16:07 +0200)
commit37166310c7a05fc928c746ca1dda120979b8e13c
treecc55f083ebd75d84a279c6450e92980d1f60ea96
parenta2ed73898985ca7b593ad9f7ea10a324c093bab5
doc: Document `guix refresh'.

* doc/guix.texi (Defining Packages): Add cross-reference to "Invoking
  guix refresh".
  (Invoking guix refresh): New node.
doc/guix.texi