It contains much more information on the process of submitting fixes. There may be resources on the net which can help. If you are so inspired, increasing the information available on the net is likely to be appreciated. For example, before the standard CVS distribution worked on Windows 95, there was a web page with some explanation and patches for running CVS on Windows 95, and various people helped out by mentioning this page on mailing lists or newsgroups when the subject came up. You can also increase your odds by being as clear as possible about the exact nature of the bug and any other relevant information.
People often ask if there is a list of known bugs or whether a particular bug is a known one.
The file BUGS in the CVS source distribution is one list of known bugs, but it doesn't necessarily try to be comprehensive. Perhaps there will never be a comprehensive, detailed list of known bugs.