Doxyfile.in part of dist. Doxyfile generated by configure.
-Configure aborts if --with-xml2, --with-openssl, --enable-tcpd is
-given and the given component does not exist.
+Configure aborts if any of --with-xml2, --with-openssl, --enable-tcpd
+ares given and the given component does not exist.
Extend CCL documentation in YAZ reference. Describe r=r.