Currently, this feature is implemented only in the "contextual-space" branch of the code at sourceforge; anyone interested in testing it will need to check out and build the code from there.
I have tried to build a binary for win32:
http://members2.jcom.home.ne.jp/wt1357ak/xetex-ctx-spc.zip I don't yet test myself. I'll remove this file in due time. Best, Akira -------------------------------------------------- Subscriptions, Archive, and List information, etc.: http://tug.org/mailman/listinfo/xetex
