"pre":"{% set errors = [] %}\n{% for k, v in tags %}\n\n{% if k|matches(\"^wikipedia:\") %}\n {% set errors = errors|merge([\"Uses <tt>wikipedia</tt> and old-style <tt>\" ~ k ~ \"</tt> tag\"]) %}\n{% elseif k|matches(\"^wikipedia:\") %}\n {% set errors = errors|merge([\"Uses old-style <tt>\" ~ k ~ \"</tt> tag\"]) %}\n{% endif %}\n\n{% if k|matches(\":?wikipedia$\") and not v|matches(\"^[a-z-]+:\") %}\n {% set errors = errors|merge([\"Tag <tt>\" ~ k ~ \"</tt> does not contain language information: \" ~ v ]) %}\n{% endif %}\n\n{% endfor %}",