Introductory paragraph to section on GPLv3§3.

gpl-lgpl.tex

@@ -2650,13 +2650,18 @@ clear they are permitted.
 \section{GPLv3~\S3: What Hath DMCA Wrought}
 \label{GPLv3s3}
 
-% FIXME: reference the section in DMCA about this, maybe already there in
+As discussed in \S~\ref{software-and-non-copyright} of this tutorial,
-%        GPLv2 section?
+\href{http://www.law.cornell.edu/uscode/text/17/1201}{17 USC~\S1201} and
+relate sections\footnote{These sections of the USC are often referred to as
+  the ``Digital Millennium Copyright Act'', or ``DMCA'', as that was the name
+  of the bill that so-modified these sections of the USC\@.} prohibits users
+from circumventing technological measures that implement DRM\@.  Since this
+is part of copyright law and the GPL is primarily a copyright license, and
+since what the DMCA calls ``circumvention'' is simply ``modifying the
+software'' under the GPL, GPLv3 must disclaim such anti-circumvention
+provisions are not applicable to the GPLv3'd software.
 
-% FIXME: Wrong paragraph now.
+In the first
-
-What was the second paragraph of section 3 in Draft 2, concerning so-called
-anticircumvention law, has been broken up into two paragraphs.  In the first
 paragraph we have replaced the reference to the Digital Millennium Copyright
 Act, a United States statute, with a corresponding international legal
 reference to anticircumvention laws enacted pursuant to the 1996 WIPO treaty