[gentoo-user] Invalid atom in /etc/portage/package.unmask: =app-text/evince-44.1 ~amd64

[thelma]

Trying to emerge evince-44.1 but I get:

Invalid atom in /etc/portage/package.unmask: =app-text/evince-44.1 ~amd64

What is it looking for?

--
Thelma