Include documentation license in generated pages (man, html).
diff --git a/man/zip_error_strerror.html b/man/zip_error_strerror.html
index fab4b36..4f6b85d 100644
--- a/man/zip_error_strerror.html
+++ b/man/zip_error_strerror.html
@@ -1,5 +1,37 @@
 <!DOCTYPE html>
 <html>
+<!-- This is an automatically generated file.  Do not edit.
+   zip_error_strerror.mdoc -- create human-readable version of zip_error
+   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>
@@ -20,35 +52,38 @@
   </tr>
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 <div class="manual-text">
-<h1 class="Sh" id="NAME">NAME</h1>
-<b class="Nm">zip_error_strerror</b> &#8212; <span class="Nd">create
-  human-readable string for zip_error</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_error_strerror</b> &#x2014;
+  <span class="Nd" title="Nd">create human-readable string for zip_error</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">const char *</var>
+<var class="Ft" title="Ft">const char *</var>
 <br/>
-<b class="Fn">zip_error_strerror</b>(<var class="Fa" style="white-space: nowrap;">zip_error_t
+<b class="Fn" title="Fn">zip_error_strerror</b>(<var class="Fa" title="Fa" style="white-space: nowrap;">zip_error_t
   *ze</var>);
-<h1 class="Sh" id="DESCRIPTION">DESCRIPTION</h1>
-The <b class="Fn">zip_error_strerror</b>() function returns an error message
-  string corresponding to <var class="Ar">ze</var> like
-  <a class="Xr" href="http://pubs.opengroup.org/onlinepubs/9699919799/functions/strerror.html">strerror(3)</a>. This string will stay
-  valid until the next call to <b class="Fn">zip_error_strerror</b>() or until
-  <a class="Xr" href="zip_error_fini.html">zip_error_fini(3)</a> is called.
-<h1 class="Sh" id="SEE_ALSO">SEE ALSO</h1>
-<a class="Xr" href="libzip.html">libzip(3)</a>,
-  <a class="Xr" href="http://pubs.opengroup.org/onlinepubs/9699919799/functions/strerror.html">strerror(3)</a>,
-  <a class="Xr" href="zip_error_fini.html">zip_error_fini(3)</a>
-<h1 class="Sh" id="HISTORY">HISTORY</h1>
-<b class="Fn">zip_error_strerror</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>
+<h1 class="Sh" title="Sh" id="DESCRIPTION"><a class="selflink" href="#DESCRIPTION">DESCRIPTION</a></h1>
+The <b class="Fn" title="Fn">zip_error_strerror</b>() function returns an error
+  message string corresponding to <var class="Ar" title="Ar">ze</var> like
+  <a class="Xr" title="Xr" href="strerror.html">strerror(3)</a>. This string
+  will stay valid until the next call to
+  <b class="Fn" title="Fn">zip_error_strerror</b>() or until
+  <a class="Xr" title="Xr" href="zip_error_fini.html">zip_error_fini(3)</a> is
+  called.
+<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="strerror.html">strerror(3)</a>,
+  <a class="Xr" title="Xr" href="zip_error_fini.html">zip_error_fini(3)</a>
+<h1 class="Sh" title="Sh" id="HISTORY"><a class="selflink" href="#HISTORY">HISTORY</a></h1>
+<b class="Fn" title="Fn">zip_error_strerror</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>