+ // used to return numeric values in parsing vspace
+ double number[4] = { 0, 0, 0, 0 };
+ // used to return unit types in parsing vspace
+ Length::UNIT unit[4] = {Length::UNIT_NONE, Length::UNIT_NONE,
+ Length::UNIT_NONE, Length::UNIT_NONE};
+ int number_index = 1; // entries at index 0 are sentinels
+ int unit_index = 1; // entries at index 0 are sentinels