{# x-default must be ONE consistent URL across every language variant of a
page — using the current page's own lang_prefix here would make it vary
depending on which language you're viewing from, which is wrong per
Google's hreflang spec and muddies how a site's primary-language identity
gets recognized. The bare root always redirects to the site's actual
default_language (see root_redirect view), so it's the correct anchor. #}
{# Sitelinks search box: Google only ever considers rendering this for a strong,
navigational brand-name query — nothing here forces it to appear (that part is
Google's own algorithmic call), but this makes the site eligible by pointing at
a real, working search endpoint (see views.site_search) instead of just markup. #}
