doc: Need "How to Run Xsmith" Section Near the Top
There should be a "how to run Xsmith" section near the top of the docs. Section 3 is a long way away from the top. In fact, it's at the end :-).
I realize that "how to run Xsmith" is a misnomer, since Xsmith is a library. Really it is "how to run the RPGs [random program generators] that come with Xsmith." Maybe the details of the different RPGs should go into separate HTML files.
Some sort of "how to install and run Xsmith" section will make the docs a lot friendlier, and let people get some kind of more immediate gratification when they try out Xsmith.