IS_TXT_SPACE      252 libavcodec/libzvbi-teletextdec.c         uint16_t out = IS_TXT_SPACE(row[i]) ? 32 : row[i].unicode;
IS_TXT_SPACE      270 libavcodec/libzvbi-teletextdec.c         uint16_t out = IS_TXT_SPACE(row[i]) ? 32 : row[i].unicode;