doc: clarify purpose of guard nodes
commit3929fd8e4a7a9050decc115bb48b566b460729c9
authorSven Verdoolaege <sven.verdoolaege@gmail.com>
Sat, 5 Aug 2017 07:53:45 +0000 (5 09:53 +0200)
committerSven Verdoolaege <sven.verdoolaege@gmail.com>
Mon, 18 Sep 2017 11:20:13 +0000 (18 13:20 +0200)
tree79a8d61fdc67d1f41d8377d94ad0022ff3469b85
parent4b42c4a99df2f28268902898a698007df6af9737
doc: clarify purpose of guard nodes

Requested-by: Albert Cohen <Albert.Cohen@inria.fr>
Signed-off-by: Sven Verdoolaege <sven.verdoolaege@gmail.com>
doc/user.pod