NX is supposedly able to do this, but last time I looked (which, admittedly, was two or three years ago) you had to expect serious problems if the set of availa

NX is supposedly able to do this, but last time I looked (which, admittedly, was two or three years ago) you had to expect serious problems if the set of available fonts on the different display servers was different (i.e. in all realistic scenarios). Oh, and it only worked on x86-32.