+ * Avoid creating edit links when the cgi url is not known.
+ * Avoid displaying discussion links at all, if there's not a discussion
+ page, when the cgi url isn't known.
+ * Before, svn was used as the RCS by default unless configured otherwise,
+ now it defaults to using no RCS unless configured to do so, to avoid some
+ suprising behavior when using a setup file and not uncommenting any RCS
+ options.
+ * Fix some bugs in the commit email sending code.