Evolution reply header

[JD]

On 06/17/2010 06:08 AM, Tim wrote:
> kalinix was caught secretly using Windows to write:
>
>    
>> Does anybody know how to change the header of a reply in Evolution (e.g.
>> "On Tue, 2010-06-15 at 00:11 -0400, Alex wrote:") with something more
>> funny?
>>
>> Google didn't return anything useful.
>>      
> You'd need to recompile, see:
>
> http://www.go-evolution.org/FAQ#Can_I_change.2Fpersonalize_the_.22On_.3Cdate.3E.2C_.3Cperson.3E_wrote:.22_string_when_replying.3F
>
>    

Well, how about Firefox? Would I have to recompile Firefox?