Update runtime files.
diff --git a/runtime/doc/helphelp.txt b/runtime/doc/helphelp.txt
index 8dcaa1f..36e766e 100644
--- a/runtime/doc/helphelp.txt
+++ b/runtime/doc/helphelp.txt
@@ -1,4 +1,4 @@
-*helphelp.txt*	For Vim version 8.2.  Last change: 2020 Jul 27
+*helphelp.txt*	For Vim version 8.2.  Last change: 2020 Dec 05
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -161,6 +161,25 @@
 The initial height of the help window can be set with the 'helpheight' option
 (default 20).
 
+When the help buffer is created, several local options are set to make sure
+the help text is displayed as it was intended:
+    'iskeyword'		nearly all ASCII chars except ' ', '*', '"' and '|'
+    'foldmethod'	"manual"
+    'tabstop'		8
+    'arabic'		off
+    'binary'		off
+    'buflisted'		off
+    'cursorbind'	off
+    'diff'		off
+    'foldenable'	off
+    'list'		off
+    'modifiable'	off
+    'number'		off
+    'relativenumber'	off
+    'rightleft'		off
+    'scrollbind'	off
+    'spell'		off
+
 Jump to specific subjects by using tags.  This can be done in two ways:
 - Use the "CTRL-]" command while standing on the name of a command or option.
   This only works when the tag is a keyword.  "<C-Leftmouse>" and