1.6.4 (2007-10-20) - For some reason 1.6.3 did not include all the changes it was supposed to have, this release should fix it. One such issue is the MacOS X compilation. - Include some updates to the default chktexrc from Jean-Marc Lasgouttes. 1.6.3 - Support DESTDIR for installation to help distributions. - Apply old standing patch from Jean-Marc Lasgouttes to compile outside the directory. - Enable compilation on MacOS X. - Fix various coding issues.