These papers explains how XMLlab works and how to use it:
XMLlab : multimedia publication of simulations applets using XML and Scilab, arXiv:1102.5711 [cs.MS], 2007 XMLlab : a pluridisciplinary simulation tool based on XML and Scilab (Scilab 2004 conference) xmllab_scilab2004.pdf.
XMLlab : un outil générique de simulation bas sur XML et Scilab (TICE 2004 conference) xmllab_tice2004.pdf.
Documentation
Here are the first drafts of the "Getting started manual" and the "Reference manual":
