Crinja::Operator::And
Inherits Crinja::Operator::Logic < Crinja::Operator < Reference < Object
and / or return an operand, as in Jinja2 (and Python), not a Bool.
Upstream collapsed both to true/false, so the fallback idiom
{{ page.description or site.description }} printed "true" and
{% set x = a or "default" %} stored a boolean. Truthiness — and so every
{% if %} — is unchanged; the right operand is still evaluated lazily.