'percent' => '{{optional}}',
'parentheses' => '{{optional}}',
'brackets' => '{{Optional}}',
+'quotation-marks' => 'Quotation marks, for citing, sometimes titles etc., depending on the language.
+
+See: https://en.wikipedia.org/wiki/Non-English_usage_of_quotation_marks',
# Multipage image navigation
'imgmultipageprev' => '{{Identical|Previous page}}',