Thank you VERY much, Heiko. Very much appreciated. What I found interesting is that identical code works for \XeTeXpdffile but not for \XeTeXpicfile (see my later message to Ross for details).
** Phil. -------- Heiko Oberdiek wrote: > It's a deficiency of XeTeX that non-character stuff is ignored for > links. The LaTeX package `hyperref' provides `\XeTeXLinkBox' as > workaround. It puts a space in the lower left and upper right > corner of the link box. -------------------------------------------------- Subscriptions, Archive, and List information, etc.: http://tug.org/mailman/listinfo/xetex