xemacs21-gnome-mule 21.4.22-4ubuntu3 (arm64 binary) in ubuntu xenial

 XEmacs is a full fledged programming language with a mail reader,
 news reader, info browser, web browser, calendar, specialized editor
 for more programming languages and other formats than most people
 encounter in a lifetime, and much more.
 .
 This is a transitional package. Please use xemacs21-mule
 instead. It can be safely removed.