Hi Hans! If one uses the HZ-algorithm the behavior of (the exported) \thinspace depends on the line break.
\definefontfeature[default][default][expansion=quality] \setupalign[hz] \setupbackend[export=yes,css=yes,xhtml=yes] \starttext \startbuffer narrow\,nonbreaking\,space \stopbuffer \getbuffer \par \dorecurse{10}{\getbuffer} \stoptext exports to: narrownonbreakingspace <break/> narrow nonbreaking … Would it be possible to export \, to  ? Regards Andreas ___________________________________________________________________________________ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context webpage : http://www.pragma-ade.nl / http://tex.aanhet.net archive : http://foundry.supelec.fr/projects/contextrev/ wiki : http://contextgarden.net ___________________________________________________________________________________