Update runtime files.
diff --git a/runtime/doc/index.txt b/runtime/doc/index.txt
index ed6916f..91d22de 100644
--- a/runtime/doc/index.txt
+++ b/runtime/doc/index.txt
@@ -1,4 +1,4 @@
-*index.txt* For Vim version 8.2. Last change: 2020 May 31
+*index.txt* For Vim version 8.2. Last change: 2020 Oct 05
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -784,10 +784,10 @@
lines down
|gk| gk 1 like "k", but when 'wrap' on go N screen
lines up
-|gn| gn 1,2 find the next match with the last used
- search pattern and Visually select it
|gm| gm 1 go to character at middle of the screenline
|gM| gM 1 go to character at middle of the text line
+|gn| gn 1,2 find the next match with the last used
+ search pattern and Visually select it
|go| go 1 cursor to byte N in the buffer
|gp| ["x]gp 2 put the text [from register x] after the
cursor N times, leave the cursor after it
@@ -1317,6 +1317,7 @@
|:filetype| :filet[ype] switch file type detection on/off
|:filter| :filt[er] filter output of following command
|:find| :fin[d] find file in 'path' and edit it
+|:final| :final declare an immutable variable in Vim9
|:finally| :fina[lly] part of a :try command
|:finish| :fini[sh] quit sourcing a Vim script
|:first| :fir[st] go to the first file in the argument list
@@ -1691,6 +1692,7 @@
|:unsilent| :uns[ilent] run a command not silently
|:update| :up[date] write buffer if modified
|:vglobal| :v[global] execute commands for not matching lines
+|:var| :var variable declaration in Vim9
|:version| :ve[rsion] print version number and other info
|:verbose| :verb[ose] execute command with 'verbose' set
|:vertical| :vert[ical] make following command split vertically