Update runtime files.
diff --git a/runtime/doc/syntax.txt b/runtime/doc/syntax.txt
index 04de08e..00a016a 100644
--- a/runtime/doc/syntax.txt
+++ b/runtime/doc/syntax.txt
@@ -671,12 +671,12 @@
    :let g:html_no_pre = 1
 <
 							  *g:html_expand_tabs*
-Default: 1 if 'tabstop' is 8, 'expandtab' is 0, and no fold column or line
-		numbers occur in the generated HTML;
-	 0 otherwise.
-When 0, <Tab> characters in the buffer text are replaced with an appropriate
+Default: 0 if 'tabstop' is 8, 'expandtab' is 0, 'vartabstop' is not in use,
+	       and no fold column or line numbers occur in the generated HTML;
+	 1 otherwise.
+When 1, <Tab> characters in the buffer text are replaced with an appropriate
 number of space characters, or &nbsp; references if |g:html_no_pre| is 1.
-When 1, if |g:html_no_pre| is 0 or unset, <Tab> characters in the buffer text
+When 0, if |g:html_no_pre| is 0 or unset, <Tab> characters in the buffer text
 are included as-is in the generated HTML. This is useful for when you want to
 allow copy and paste from a browser without losing the actual whitespace in
 the source document. Note that this can easily break text alignment and
@@ -774,6 +774,8 @@
     :let g:html_use_xhtml = 1
 <
 
+ vim:tw=78:sw=4:ts=8:sts=4:ft=help:norl:ai:noet:
+
 ABEL						*abel.vim* *ft-abel-syntax*
 
 ABEL highlighting provides some user-defined options.  To enable them, assign