On 3/27/2017 9:36 AM, David Carlisle wrote: > \ifdim\the\XeTeXversion\XeTeXrevision\p@>0.99993\p@ > \chardef\e at alloc@intercharclass at top=4095 > \else > \chardef\e at alloc@intercharclass at top=255 > \fi nice, cheers - Mike