patch 7.4.2251
Problem:    In rare cases diffing 4 buffers is not enough.
Solution:   Raise the limit to 8. (closes #1000)
diff --git a/src/structs.h b/src/structs.h
index 1dfe131..e559220 100644
--- a/src/structs.h
+++ b/src/structs.h
@@ -2296,7 +2296,7 @@
 /*
  * Stuff for diff mode.
  */
-# define DB_COUNT 4	/* up to four buffers can be diff'ed */
+# define DB_COUNT 8	/* up to eight buffers can be diff'ed */
 
 /*
  * Each diffblock defines where a block of lines starts in each of the buffers
diff --git a/src/version.c b/src/version.c
index b323771..3c6d155 100644
--- a/src/version.c
+++ b/src/version.c
@@ -764,6 +764,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2251,
+/**/
     2250,
 /**/
     2249,