How to modify "System places" menu

[Donatas G.]

Chris Miller wrote:
> IIRC, in KDE all of those menus are stored as an XML file.
> 
> If you could find that file, you could add whatever you could think of in there.
> 
> On 1/15/07, Donatas G. <dgvirtual at akl.lt> wrote:
>> Hi, I would like to modify the menu "System places" (see the attached picture)
>> to include more of the often used places in the system. How do I do that?

Hi, I cannot find it. Could someone help me? Should it be under
/usr/share  or perhaps /var ?

Donatas