last_column       871 src/editor/editdraw.c     int last_column;
last_column       881 src/editor/editdraw.c     last_column = wh->x + wh->cols - 1;
last_column       884 src/editor/editdraw.c     if (x1 > last_column)
last_column       907 src/editor/editdraw.c         if (x2 <= last_column)