don't show vertical bar when no signposts
don't show vertical bar when no signposts

ankurpohekar/Lagotto,msingh05/lagotto,msingh05/lagotto,CrossRef/lagotto,ankurpohekar/Lagotto,lagotto/lagotto,CrossRef/lagotto,ankurpohekar/Lagotto,ankurpohekar/Lagotto,articlemetrics/lagotto,msingh05/lagotto,ankurpohekar/Lagotto,lagotto/lagotto,CrossRef/lagotto,lagotto/lagotto,mfenner/lagotto,mfenner/lagotto,ankurpohekar/Lagotto,articlemetrics/lagotto,articlemetrics/lagotto,mfenner/lagotto,ankurpohekar/Lagotto