X server internals

[Russell Shaw]

Adam Jackson wrote:
> On Tuesday 23 August 2005 06:27, Russell Shaw wrote:
> 
>>Hi,
>>Are there any docs that explain the X server internals? I've
>>looked thru the xc source. I know how to add stuff to the
>>client side in the way of protocol extensions.
> 
> doc/hardcopy/Xserver/ddx.PS.gz is quite good for the stuff outside of the hw/ 
> subdir.  For the xfree86 DDX, hw/xfree86/doc/DESIGN is still pretty accurate.

Hi,
Where is the doc "Strategies for Porting"? I found it the other day but
can't find it now.