如何配置协同作用以使用多个X11屏幕（：0，：1，...）？

Configuring synergy for multiple computers, each with a single screen, is fairly easy. But it is not so obvious how to configure multiple X11 screens. For example, sys1, a minimac is on the right. sys1 is the server and has a single monitor (screen). To the left of sys1 is a Fedora 9 system, sys2, with two X11 displays: sys2:0.0 and sys2:0.1 I'm guessing that one invents names and uses aliases with ports specified (5900 and 5901 in my case), which is the avenue I will investigate. But surely someone has crossed this bridge before. Configuring synergy for multiple computers, eac