Runtime files update.
diff --git a/runtime/doc/eval.txt b/runtime/doc/eval.txt
index 3162a24..e33f4e1 100644
--- a/runtime/doc/eval.txt
+++ b/runtime/doc/eval.txt
@@ -1,4 +1,4 @@
-*eval.txt* For Vim version 8.1. Last change: 2019 Aug 24
+*eval.txt* For Vim version 8.1. Last change: 2019 Aug 28
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -40,7 +40,7 @@
1.1 Variable types ~
*E712* *E896* *E897* *E899*
-There are nine types of variables:
+There are ten types of variables:
Number A 32 or 64 bit signed number. |expr-number| *Number*
64-bit Numbers are available only when compiled with the