Hi,
updated again as there was an error which caused troubles with irre. Now
the solution is proper, here the rule:
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^(.+)\.(\d+)\.(php|js|css|png|jpg|gif|gzip)$ $1.$3 [L]
committed the follow-up to trunk
vg Steffen