lucy24 - 12:02 am on Jan 19, 2013 (gmt 0)
Tangential solution: If you've got time constraints and you haven't arrived at a solution before you absolutely have to go live, there's always mod_rewrite.
:: idly wondering why we haven't yet got the sales pitch for Going Extensionless although it's been over 15 hours... ::
Did you try AddType too?
:: further Forums search leading to definitive answer [webmasterworld.com] (not from me, because I don't touch this stuff with a barge pole) ::
The AddType / AddHandler stuff is beyond confusing and I usually end up trying several combinations before I find the one that works OK.