Install this version:
emerge -a =app-emacs/eglot-1.23
If this version is masked, you can unmask it using the autounmask tool or standard emerge options:
autounmask =app-emacs/eglot-1.23
Or alternatively:
emerge --autounmask-write -a =app-emacs/eglot-1.23
# automatically generated by g-sorcery
# please do not edit this file
EAPI=8
REPO_URI="https://elpa.gnu.org/packages/"
SOURCE_TYPE="tar"
REALNAME="eglot"
DIGEST_SOURCES="yes"
inherit g-sorcery gs-elpa
DESCRIPTION="The Emacs Client for LSP servers"
HOMEPAGE="https://github.com/joaotavora/eglot"
SRC_URI="${REPO_URI}${REALNAME}-${PV}.${SUFFIX}"
SLOT="0"
KEYWORDS="~amd64 ~x86"
DEPEND="app-emacs/eldoc
app-emacs/external-completion
app-emacs/flymake
app-emacs/jsonrpc
app-emacs/project
app-emacs/seq
app-emacs/xref"
RDEPEND="app-emacs/eldoc
app-emacs/external-completion
app-emacs/flymake
app-emacs/jsonrpc
app-emacs/project
app-emacs/seq
app-emacs/xref"
app-emacs/eldoc app-emacs/external-completion app-emacs/flymake app-emacs/jsonrpc app-emacs/project app-emacs/seq app-emacs/xref
app-emacs/eldoc app-emacs/external-completion app-emacs/flymake app-emacs/jsonrpc app-emacs/project app-emacs/seq app-emacs/xref