How does one add content types to Firefox

[Douglas Phillipson]

Matthew Flaschen wrote:
> Douglas Phillipson wrote:
>>  From preferences in Firefox there doesn't seem to be a method to add 
>> content types.  You can edit and remove actions for the few types that 
>> are there but how does on add them?
> 
> Unfortunately, I don't think you can.  You just have to wait for the
> content type to show up.
> 
> Matt Flaschen
> 

There must be a way...

Doug P