Update runtime files
diff --git a/runtime/doc/help.txt b/runtime/doc/help.txt
index 1b3839e..f5c3e6d 100644
--- a/runtime/doc/help.txt
+++ b/runtime/doc/help.txt
@@ -132,7 +132,7 @@
|windows.txt| commands for using multiple windows and buffers
|tabpage.txt| commands for using multiple tab pages
|spell.txt| spell checking
-|diff.txt| working with two to four versions of the same file
+|diff.txt| working with two to eight versions of the same file
|autocmd.txt| automatically executing commands on an event
|eval.txt| expression evaluation, conditional commands
|channel.txt| Jobs, Channels, inter-process communication
@@ -145,6 +145,7 @@
|term.txt| using different terminals and mice
|terminal.txt| Terminal window support
|popup.txt| popup window support
+|vim9.txt| using Vim9 script
Programming language support ~
|indent.txt| automatic indenting for C and other languages
@@ -153,6 +154,8 @@
|filetype.txt| settings done specifically for a type of file
|quickfix.txt| commands for a quick edit-compile-fix cycle
|ft_ada.txt| Ada (the programming language) support
+|ft_ps1.txt| Filetype plugin for Windows PowerShell
+|ft_raku.txt| Filetype plugin for Raku
|ft_rust.txt| Filetype plugin for Rust
|ft_sql.txt| about the SQL filetype plugin