Update runtime files.
diff --git a/runtime/doc/eval.txt b/runtime/doc/eval.txt
index b2b1600..5a4376d 100644
--- a/runtime/doc/eval.txt
+++ b/runtime/doc/eval.txt
@@ -1,4 +1,4 @@
-*eval.txt* For Vim version 8.2. Last change: 2020 Sep 25
+*eval.txt* For Vim version 8.2. Last change: 2020 Oct 05
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -897,7 +897,7 @@
All expressions within one level are parsed from left to right.
-expr1 *expr1* *trinary* *falsy-operator* *E109*
+expr1 *expr1* *trinary* *falsy-operator* *??* *E109*
-----
The trinary operator: expr2 ? expr1 : expr1
@@ -3503,7 +3503,7 @@
< The first and third echo result in 3 ('e' plus composing
character is 3 bytes), the second echo results in 1 ('e' is
one byte).
- Only works different from byteidx() when 'encoding' is set to
+ Only works differently from byteidx() when 'encoding' is set to
a Unicode encoding.
Can also be used as a |method|: >