Install this version:
emerge -a =dev-perl/HTML-Template-Expr-0.70.0# Copyright 1999-2021 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
DIST_AUTHOR=SAMTREGAR
DIST_VERSION=0.07
inherit perl-module
DESCRIPTION="HTML::Template extension adding expression support"
SLOT="0"
KEYWORDS="amd64 x86"
RDEPEND="
>=dev-perl/HTML-Template-2.800.0
dev-perl/Parse-RecDescent
"
BDEPEND="${RDEPEND}
"
>=dev-perl/HTML-Template-2.800.0 dev-perl/Parse-RecDescent
>=dev-perl/HTML-Template-2.800.0 dev-perl/Parse-RecDescent