Why does the Xorg server reset the output when last client disconnects?

[Barry Scott]

Michel Dänzer wrote:
> On Wed, 2007-05-02 at 10:58 +0100, Barry Scott wrote:
>   
>> I'm wondering if it is reasonable to prevent the server from doing the reset
>> when the last client disconnects?
>>     
>
> Try it for yourself:
>
> Xorg -noreset
>
>   
Thanks I've added to my X service startup.

But I'd still like to know why the reset is there at all?

Barry