I think the reason for the problem is that spaces in nemethdefs.cti were changed to unbreakable spaces. This was done so that nemeth expressions would not be brken between lines. Some characters added previously had ordinary spaces. This was corrected. John -- John J. Boyer; President, Chief Software Developer Abilitiessoft, Inc. http://www.abilitiessoft.com Madison, Wisconsin USA Developing software for people with disabilities For a description of the software, to download it and links to project pages go to http://www.abilitiessoft.com