updated for version 7.4a.026
Problem:    ":diffoff" does not remove folds. (Ramel)
Solution:   Do not restore 'foldenable' when 'foldmethod' is "manual".
diff --git a/src/version.c b/src/version.c
index 558649b..eb48ddd 100644
--- a/src/version.c
+++ b/src/version.c
@@ -728,6 +728,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    26,
+/**/
     25,
 /**/
     24,