to cope with old texinfmt.el.
\e$B$K$D$$$F$O0J2<$N%Z!<%8$rK,$M$F$_$F2<$5$$!#\e(B
@example
-@uref{http://emacs-w3m.namazu.org/, emacs-w3m}
-@uref{http://w3m.sourceforge.net/, w3m}
+@c Don't use @uref{} here, or old texinfmt will neglect @example. :-(
+http://emacs-w3m.namazu.org/
+http://w3m.sourceforge.net/
@end example
@c This comment line is needed to prevent texinfmt bug. :-(