Update runtime files
diff --git a/runtime/doc/index.txt b/runtime/doc/index.txt
index 00db076..6fdfb85 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 May 27
+*index.txt* For Vim version 8.2. Last change: 2021 Jun 19
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -1312,6 +1312,7 @@
|:endtry| :endt[ry] end previous :try
|:endwhile| :endw[hile] end previous :while
|:enew| :ene[w] edit a new, unnamed buffer
+|:eval| :ev[al] evaluate an expression and discard the result
|:ex| :ex same as ":edit"
|:execute| :exe[cute] execute result of expressions
|:exit| :exi[t] same as ":xit"