This file is indexed.

/usr/share/qt5/doc/qtx11extras/qtx11extras-index.html is in qtx11extras5-doc-html 5.9.5-0ubuntu1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html>
<html lang="en">
<head>
  <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<!-- qtx11extras-index.qdoc -->
  <title>Qt X11 Extras 5.9</title>
  <link rel="stylesheet" type="text/css" href="style/offline-simple.css" />
  <script type="text/javascript">
    document.getElementsByTagName("link").item(0).setAttribute("href", "style/offline.css");
    // loading style sheet breaks anchors that were jumped to before
    // so force jumping to anchor again
    setTimeout(function() {
        var anchor = location.hash;
        // need to jump to different anchor first (e.g. none)
        location.hash = "#";
        setTimeout(function() {
            location.hash = anchor;
        }, 0);
    }, 0);
  </script>
</head>
<body>
<div class="header" id="qtdocheader">
  <div class="main">
    <div class="main-rounded">
      <div class="navigationbar">
        <table><tr>
<td >Qt 5.9</td><td >Qt X11 Extras</td></tr></table><table class="buildversion"><tr>
<td id="buildversion" width="100%" align="right">Qt 5.9.5 Reference Documentation</td>
        </tr></table>
      </div>
    </div>
<div class="content">
<div class="line">
<div class="content mainContent">
<div class="sidebar">
<div class="toc">
<h3><a name="toc">Contents</a></h3>
<ul>
<li class="level1"><a href="#getting-started">Getting Started</a></li>
<li class="level1"><a href="#api-reference">API Reference</a></li>
</ul>
</div>
<div class="sidebar-content" id="sidebar-content"></div></div>
<h1 class="title">Qt X11 Extras</h1>
<span class="subtitle"></span>
<!-- $$$qtx11extras-index.html-description -->
<div class="descr"> <a name="details"></a>
<p>Qt X11 Extras enables the Qt programmer to write applications for the Linux/X11 platform. Applications developed with Qt can also be deployed across several other desktop and embedded operating systems without having to rewrite the source code.</p>
<a name="getting-started"></a>
<h2 id="getting-started">Getting Started</h2>
<p>To include the definitions of the module's classes, use the following directive:</p>
<pre class="cpp">

  <span class="preprocessor">#include &lt;QX11Info&gt;</span>

</pre>
<p>To link against the module, add this line to your <a href="../qmake/qmake-manual.html">qmake</a> <code>.pro</code> file:</p>
<pre class="cpp">

  QT <span class="operator">+</span><span class="operator">=</span> x11extras

</pre>
<p>Requirements for using X11 with Qt: Qt for X11 Requirements</p>
<a name="api-reference"></a>
<h2 id="api-reference">API Reference</h2>
<p>Links to the API reference materials:</p>
<ul>
<li><a href="qtx11extras-module.html">C++ Classes</a></li>
</ul>
</div>
<!-- @@@qtx11extras-index.html -->
        </div>
       </div>
   </div>
   </div>
</div>
<div class="footer">
   <p>
   <acronym title="Copyright">&copy;</acronym> 2017 The Qt Company Ltd.
   Documentation contributions included herein are the copyrights of
   their respective owners.<br>    The documentation provided herein is licensed under the terms of the    <a href="http://www.gnu.org/licenses/fdl.html">GNU Free Documentation    License version 1.3</a> as published by the Free Software Foundation.<br>    Qt and respective logos are trademarks of The Qt Company Ltd.     in Finland and/or other countries worldwide. All other trademarks are property
   of their respective owners. </p>
</div>
</body>
</html>