*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
if(CHECK_BIT(line->bits, IS_H1)) {
SET_BIT(line->prev->bits, IS_H1);
} else {
if(CHECK_BIT(line->bits, IS_H1)) {
SET_BIT(line->prev->bits, IS_H1);
} else {