Add the 'concealcursor' option to decide when the cursor line is to be
concealed or not.
Rename 'conc' to 'cole' as the short name for 'conceallevel'.
diff --git a/src/ui.c b/src/ui.c
index cabee59..1337807 100644
--- a/src/ui.c
+++ b/src/ui.c
@@ -1912,6 +1912,10 @@
 # ifdef MCH_CURSOR_SHAPE
     mch_update_cursor();
 # endif
+
+# ifdef FEAT_CONCEAL
+    conceal_check_cursur_line_redraw();
+# endif
 }
 #endif