Include documentation license in generated pages (man, html).
diff --git a/man/zip_source_seek.html b/man/zip_source_seek.html
index 8b8e1e3..9d61956 100644
--- a/man/zip_source_seek.html
+++ b/man/zip_source_seek.html
@@ -1,5 +1,37 @@
 <!DOCTYPE html>
 <html>
+<!-- This is an automatically generated file.  Do not edit.
+   zip_source_seek.mdoc -- set read offset in source
+   Copyright (C) 2014-2017 Dieter Baron and Thomas Klausner
+  
+   This file is part of libzip, a library to manipulate ZIP archives.
+   The authors can be contacted at <libzip@nih.at>
+  
+   Redistribution and use in source and binary forms, with or without
+   modification, are permitted provided that the following conditions
+   are met:
+   1. Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+   2. Redistributions in binary form must reproduce the above copyright
+      notice, this list of conditions and the following disclaimer in
+      the documentation and/or other materials provided with the
+      distribution.
+   3. The names of the authors may not be used to endorse or promote
+      products derived from this software without specific prior
+      written permission.
+  
+   THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
+   OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+   WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+   ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
+   DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+   DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+   GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+   INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
+   IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+   OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+   IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+   -->
 <head>
   <meta charset="utf-8"/>
   <style>
@@ -20,57 +52,61 @@
   </tr>
 </table>
 <div class="manual-text">
-<h1 class="Sh" id="NAME">NAME</h1>
-<b class="Nm">zip_source_seek</b> &#8212; <span class="Nd">set read offset in
-  zip source</span>
-<h1 class="Sh" id="LIBRARY">LIBRARY</h1>
+<h1 class="Sh" title="Sh" id="NAME"><a class="selflink" href="#NAME">NAME</a></h1>
+<b class="Nm" title="Nm">zip_source_seek</b> &#x2014;
+  <span class="Nd" title="Nd">set read offset in zip source</span>
+<h1 class="Sh" title="Sh" id="LIBRARY"><a class="selflink" href="#LIBRARY">LIBRARY</a></h1>
 libzip (-lzip)
-<h1 class="Sh" id="SYNOPSIS">SYNOPSIS</h1>
-<b class="In">#include &lt;<a class="In">zip.h</a>&gt;</b>
+<h1 class="Sh" title="Sh" id="SYNOPSIS"><a class="selflink" href="#SYNOPSIS">SYNOPSIS</a></h1>
+<b class="In" title="In">#include &lt;<a class="In" title="In">zip.h</a>&gt;</b>
 <div class="Pp"></div>
-<var class="Ft">int</var>
+<var class="Ft" title="Ft">int</var>
 <br/>
-<b class="Fn">zip_source_seek</b>(<var class="Fa" style="white-space: nowrap;">zip_source_t
-  *source</var>, <var class="Fa" style="white-space: nowrap;">zip_int64_t
-  offset</var>, <var class="Fa" style="white-space: nowrap;">int whence</var>);
-<h1 class="Sh" id="DESCRIPTION">DESCRIPTION</h1>
-The function <b class="Fn">zip_source_seek</b>() sets the current read offset
-  for <var class="Fa">source</var>. Just like in
-  <a class="Xr" href="http://pubs.opengroup.org/onlinepubs/9699919799/functions/fseek.html">fseek(3)</a>, depending on the
-  <var class="Ar">whence</var> argument, the <var class="Ar">offset</var> is
-  counted relative from:
+<b class="Fn" title="Fn">zip_source_seek</b>(<var class="Fa" title="Fa" style="white-space: nowrap;">zip_source_t
+  *source</var>,
+  <var class="Fa" title="Fa" style="white-space: nowrap;">zip_int64_t
+  offset</var>, <var class="Fa" title="Fa" style="white-space: nowrap;">int
+  whence</var>);
+<h1 class="Sh" title="Sh" id="DESCRIPTION"><a class="selflink" href="#DESCRIPTION">DESCRIPTION</a></h1>
+The function <b class="Fn" title="Fn">zip_source_seek</b>() sets the current
+  read offset for <var class="Fa" title="Fa">source</var>. Just like in
+  <a class="Xr" title="Xr" href="fseek.html">fseek(3)</a>, depending on the
+  <var class="Ar" title="Ar">whence</var> argument, the
+  <var class="Ar" title="Ar">offset</var> is counted relative from:
 <div class="Bl-tag" style="margin-left: 6.00ex;">
-<dl class="Bl-tag" style="margin-left: 10.00ex;">
-  <dt class="It-tag" style="margin-left: -10.00ex;">&#160;</dt>
-  <dd class="It-tag">&#160;</dd>
-  <dt class="It-tag" style="margin-left: -10.00ex;"><code class="Dv">SEEK_SET</code></dt>
+<dl class="Bl-tag" style="margin-left: 15.00ex;">
+  <dt class="It-tag" style="margin-left: -15.00ex;">&#x00A0;</dt>
+  <dd class="It-tag">&#x00A0;</dd>
+  <dt class="It-tag" style="margin-left: -15.00ex;"><a class="selflink" href="#SEEK_SET"><code class="Dv" title="Dv" id="SEEK_SET">SEEK_SET</code></a></dt>
   <dd class="It-tag">start of file</dd>
-  <dt class="It-tag" style="margin-left: -10.00ex;">&#160;</dt>
-  <dd class="It-tag">&#160;</dd>
-  <dt class="It-tag" style="margin-left: -10.00ex;"><code class="Dv">SEEK_CUR</code></dt>
+  <dt class="It-tag" style="margin-left: -15.00ex;">&#x00A0;</dt>
+  <dd class="It-tag">&#x00A0;</dd>
+  <dt class="It-tag" style="margin-left: -15.00ex;"><a class="selflink" href="#SEEK_CUR"><code class="Dv" title="Dv" id="SEEK_CUR">SEEK_CUR</code></a></dt>
   <dd class="It-tag">current read offset in file</dd>
-  <dt class="It-tag" style="margin-left: -10.00ex;">&#160;</dt>
-  <dd class="It-tag">&#160;</dd>
-  <dt class="It-tag" style="margin-left: -10.00ex;"><code class="Dv">SEEK_END</code></dt>
+  <dt class="It-tag" style="margin-left: -15.00ex;">&#x00A0;</dt>
+  <dd class="It-tag">&#x00A0;</dd>
+  <dt class="It-tag" style="margin-left: -15.00ex;"><a class="selflink" href="#SEEK_END"><code class="Dv" title="Dv" id="SEEK_END">SEEK_END</code></a></dt>
   <dd class="It-tag">end of file</dd>
 </dl>
 </div>
-<h1 class="Sh" id="RETURN_VALUES">RETURN VALUES</h1>
+<h1 class="Sh" title="Sh" id="RETURN_VALUES"><a class="selflink" href="#RETURN_VALUES">RETURN
+  VALUES</a></h1>
 Upon successful completion 0 is returned. Otherwise, -1 is returned and the
-  error information in <var class="Ar">source</var> is set to indicate the
-  error.
-<h1 class="Sh" id="SEE_ALSO">SEE ALSO</h1>
-<a class="Xr" href="libzip.html">libzip(3)</a>,
-  <a class="Xr" href="zip_source.html">zip_source(3)</a>,
-  <a class="Xr" href="zip_source_read.html">zip_source_read(3)</a>,
-  <a class="Xr" href="zip_source_tell.html">zip_source_tell(3)</a>
-<h1 class="Sh" id="HISTORY">HISTORY</h1>
-<b class="Fn">zip_source_seek</b>() was added in libzip 1.0.
-<h1 class="Sh" id="AUTHORS">AUTHORS</h1>
-<span class="An">Dieter Baron</span>
-  &lt;<a class="Mt" href="mailto:dillo@nih.at">dillo@nih.at</a>&gt; and
-  <span class="An">Thomas Klausner</span>
-  &lt;<a class="Mt" href="mailto:tk@giga.or.at">tk@giga.or.at</a>&gt;</div>
+  error information in <var class="Ar" title="Ar">source</var> is set to
+  indicate the error.
+<h1 class="Sh" title="Sh" id="SEE_ALSO"><a class="selflink" href="#SEE_ALSO">SEE
+  ALSO</a></h1>
+<a class="Xr" title="Xr" href="libzip.html">libzip(3)</a>,
+  <a class="Xr" title="Xr" href="zip_source.html">zip_source(3)</a>,
+  <a class="Xr" title="Xr" href="zip_source_read.html">zip_source_read(3)</a>,
+  <a class="Xr" title="Xr" href="zip_source_tell.html">zip_source_tell(3)</a>
+<h1 class="Sh" title="Sh" id="HISTORY"><a class="selflink" href="#HISTORY">HISTORY</a></h1>
+<b class="Fn" title="Fn">zip_source_seek</b>() was added in libzip 1.0.
+<h1 class="Sh" title="Sh" id="AUTHORS"><a class="selflink" href="#AUTHORS">AUTHORS</a></h1>
+<span class="An" title="An">Dieter Baron</span>
+  &lt;<a class="Mt" title="Mt" href="mailto:dillo@nih.at">dillo@nih.at</a>&gt;
+  and <span class="An" title="An">Thomas Klausner</span>
+  &lt;<a class="Mt" title="Mt" href="mailto:tk@giga.or.at">tk@giga.or.at</a>&gt;</div>
 <table class="foot">
   <tr>
     <td class="foot-date">December 18, 2017</td>