> Could it be that there's an out-of-date ls-R file in ~/Library/texmf, > created somehow before arabxetex.sty was installed in the right > place, and now misleading the search? > > Running > > find ~/Library/texmf -name ls-R -print > > *shouldn't* find anything; if one is found, try removing it. > > JK > Thanks Jonathan, we'll try that.