Use giflib or libungif to provide GIF support, instead of using internal routines. Delete internal GIF support code with no stated license. Fix up a number of references in the documentation to GIF support. See discussion on xemacs-beta: <87iqg4vg9t.fsf@uwakimon.sk.tsukuba.ac.jp>.

#!/bin/sh
if gnuclient -batch -eval t >/dev/null 2>&1; then
  exec gnuclient ${1+"$@"}
else
  xemacs -unmapped -f gnuserv-start &
  until gnuclient -batch -eval t >/dev/null 2>&1
  do
     sleep 1
  done
  exec gnuclient ${1+"$@"}
fi