Options +Includes
RewriteEngine On
AddType text/html .html
AddHandler server-parsed .html
Redirect 301 /design.html /documentation#design

RewriteRule ^/?(\d+)/generated/ - [S=4]
RewriteRule ^/?(\d+)/documentation(\.html)? - [S=3]
RewriteRule ^/?(\d+)/javadoc - [S=2]
RewriteRule ^/?(\d+)/images/ - [S=1]
RewriteCond $2 !=protocol
RewriteRule ^/?(\d+)/([a-z]+)(\.html)? /$1/documentation#$2 [R=302,L,NE]