Welcome to the CHICKEN bug and feature tracker
Here is the place to report CHICKEN bugs and to suggest improvements.
Due to the amount of spam we receive, you need an account to file tickets. If you don't have one, contact Mario Domenech Goulart (mario . goulart at gmail . com) to request it.
If you are looking for the CHICKEN Wiki, you can find it at http://wiki.call-cc.org.
The Trac documentation is a good place to start learning about Trac.