This test checks for the handling of explicit breaking characters: - preserved linefeeds (U+000A) - Unicode next-line (U+0085), line-separator (U+2028) or paragraph-separator (U+2029) Other possibilities defined in UAX#14, but not applicable for XSL-FO: - carriage return (U+000D) is normalized to a space - line-tabulation (U+000B) and form-feed (U+000C) are illegal XML characters