Update runtime files, new color schemes
diff --git a/runtime/doc/usr_45.txt b/runtime/doc/usr_45.txt
index f91648e..e93f747 100644
--- a/runtime/doc/usr_45.txt
+++ b/runtime/doc/usr_45.txt
@@ -1,4 +1,4 @@
-*usr_45.txt*	For Vim version 8.2.  Last change: 2020 Jun 11
+*usr_45.txt*	For Vim version 8.2.  Last change: 2022 May 13
 
 		     VIM USER MANUAL - by Bram Moolenaar
 
@@ -15,7 +15,7 @@
 |45.4|	Editing files with a different encoding
 |45.5|	Entering language text
 
-     Next chapter: |usr_46.txt|  Write plugins using Vim9 script
+     Next chapter: |usr_50.txt|  Advanced Vim script writing
  Previous chapter: |usr_44.txt|  Your own syntax highlighted
 Table of contents: |usr_toc.txt|
 
@@ -408,6 +408,6 @@
 
 ==============================================================================
 
-Next chapter: |usr_46.txt|  Write plugins using Vim9 script
+Next chapter: |usr_50.txt|  Advanced Vim script writing
 
 Copyright: see |manual-copyright|  vim:tw=78:ts=8:noet:ft=help:norl: