Update runtime files.
diff --git a/runtime/doc/index.txt b/runtime/doc/index.txt
index ea1b137..7da8066 100644
--- a/runtime/doc/index.txt
+++ b/runtime/doc/index.txt
@@ -1,4 +1,4 @@
-*index.txt* For Vim version 8.2. Last change: 2021 Feb 14
+*index.txt* For Vim version 8.2. Last change: 2021 Mar 22
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -1294,6 +1294,7 @@
|:edit| :e[dit] edit a file
|:earlier| :ea[rlier] go to older change, undo
|:echo| :ec[ho] echoes the result of expressions
+|:echoconsole| :echoc[onsole] like :echomsg but write to stdout
|:echoerr| :echoe[rr] like :echo, show like an error and use history
|:echohl| :echoh[l] set highlighting for echo commands
|:echomsg| :echom[sg] same as :echo, put message in history