a1 Department of Mathematical Sciences, University of Bath, Bath BA2 7AY, UK email: L.E.Fraenkel@bath.ac.uk
In the preceding paper by Fraenkel & Harwin, the existence theorem leaves a gap in the description of the extreme wave that is constructed there. The form of the wave in a neighbourhood of the crest is not described accurately enough. This weakness is repaired in the present paper.
(Received March 06 2009)