option; it is up to you to raise the issue and say firmly that this is
what you want. If the publisher you are dealing with refuses, please
try other publishers. If you're not sure whether a proposed license
-is free, write to @email{icensing@@gnu.org}.
+is free, write to @email{licensing@@gnu.org}.
You can encourage commercial publishers to sell more free, copylefted
manuals and tutorials by buying them, and particularly by buying