1 files changed, 2 insertions, 0 deletions
diff --git a/src/screen.h b/src/screen.h
index 5cdffbb..e4a6229 100644
--- a/src/screen.h
+++ b/src/screen.h
@@ -51,11 +51,13 @@ struct vt100_cell {
     size_t len;
     struct vt100_cell_attrs attrs;
     unsigned char is_wide: 1;
+    unsigned char dirty: 1;
 };
 
 struct vt100_row {
     struct vt100_cell *cells;
     unsigned char wrapped: 1;
+    unsigned char dirty: 1;
 };
 
 struct vt100_grid {