This file is indexed.

/usr/lib/libreoffice/share/extensions/nlpsolver/help/en-US/help.tree is in libreoffice-nlpsolver 0.9+LibO6.0.3-0ubuntu1.

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
<?xml version="1.0" encoding="UTF-8"?>
<!--
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
-->
<tree_view>
<help_section application="scalc" id="08" title="Solver for Nonlinear Problems">
    <node id="0816" title="Solver for Nonlinear Problems">
        <topic id="help/com.sun.star.comp.Calc.NLPSolver/Usage.xhp">Usage</topic>
        <topic id="help/com.sun.star.comp.Calc.NLPSolver/Options.xhp">Options</topic>
    </node>
</help_section>
</tree_view>