((p "On some places, metadata values are interpreted as a truth value.") (p "Every character sequence that begins with a " (@L (@H "“") "0" (@H "”")) ", " (@L (@H "“") "F" (@H "”")) ", " (@L (@H "“") "N" (@H "”")) ", " (@L (@H "“") "f" (@H "”")) ", or a " (@L (@H "“") "n" (@H "”")) " is interpreted as the boolean " (@L (@H "“") "false" (@H "”")) " value." " " "All values are interpreted as the boolean " (@L (@H "“") "true" (@H "”")) " value.") (p "However, there is no full support for a boolean type." " " "Such values are interpreted as a " (a (@ (href . "00001006033500")) "string value") ", e.g. with respect to comparing and sorting."))