Rename w_p_conceal to w_p_conc for consistency.
diff --git a/src/normal.c b/src/normal.c
index 0559167..4d2f4c6 100644
--- a/src/normal.c
+++ b/src/normal.c
@@ -8296,7 +8296,7 @@
 		    0, 0))
 	{
 #ifdef FEAT_CONCEAL
-	    if (curwin->w_p_conceal && oldline != curwin->w_cursor.lnum)
+	    if (curwin->w_p_conc > 0 && oldline != curwin->w_cursor.lnum)
 		update_single_line(curwin, oldline);
 #endif
 	    /* When '#' is in 'cpoptions' ignore the count. */