ref: 4b4ab4755339a8c1d034be1f75b323d585dac1df
parent: 52e2fd27f81bb0f111addfb24fc63820e0ac1f04
author: Bjørn Erik Pedersen <bjorn.erik.pedersen@gmail.com>
date: Sun Nov 6 10:38:52 EST 2016
hugolib: Fix page sorting when weight is zero Fixes #2673