commit https://github.com/vim/vim/commit/7b877b360532713dc21a0ff3d55a76ac02eaf573 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Jan 9 13:51:34 2016 +0100 patch 7.4.1064 Problem: When a spell file has single letter compounding creating suggestions takes an awful long time. Solution: Add th eNOCOMPOUNDSUGS flag.

--- a/src/version.c
+++ b/src/version.c
@@ -742,6 +742,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1064,
+/**/
     1063,
 /**/
     1062,