On the moving contact line singularity: Asymptotics of a diffuse-interface model David N. Sibley, Andreas Nold, Nikos Savva and Serafim Kalliadasis Eur. Phys. J. E, 36 3 (2013) 26 Published online: 22 March 2013 DOI: 10.1140/epje/i2013-13026-y