patch 7.4.1834
Problem:    Possible crash when conceal is active.
Solution:   Check for the screen to be valid when redrawing a line.
diff --git a/src/version.c b/src/version.c
index eaa3e8e..417a3aa 100644
--- a/src/version.c
+++ b/src/version.c
@@ -754,6 +754,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1834,
+/**/
     1833,
 /**/
     1832,