Fixing shell 'unknown terminal "emacs"'

This happened to me most recently for Xemacs 21.4.12 under RH 9.
Problem is that Xemacs sets TERM="emacs" but the terminfo entry's name is eterm.
Fix is this:
infocmp eterm | sed 's/^eterm/eterm|emacs/' >/tmp/eterm.tic
tic /tmp/eterm.tic
(as root, natch).