Try using Redirect directive

sdk/2.1/docs/man/xhtml/.htaccess

diff --git a/sdk/2.1/docs/man/xhtml/.htaccess b/sdk/2.1/docs/man/xhtml/.htaccess
index 17780a2..7a6d9e4 100644
--- a/sdk/2.1/docs/man/xhtml/.htaccess
+++ b/sdk/2.1/docs/man/xhtml/.htaccess
@@ -2,6 +2,10 @@
 
 Options +Indexes +FollowSymLinks
 
+# Try using Redirect directive instead of mod_rewrite
+
+Redirect seeother vload.html vloadn.html
+
 # Redirect aliases of refpages
 
 RewriteEngine on