How to encode a perfect subtitle in PGS/SUP in MT2S file/conteiner?

Link
http://insideofasmallbox.blogspot.co.uk/2012/03/enconding-perfect-subtitles.html

Tools
easySUP

Sections
http://www.videohelp.com/guides/category/how-to-author-a-blu-ray-disc-avchd-3;68#3;68