/usr/share/horde/mnemo/templates/list/memo_headers.html.php is in php-horde-mnemo 4.2.12-1.
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 | <table id="memos" class="horde-table sortable nowrap">
<thead>
<tr>
<th class="nosort" width="3%"><?php echo $this->editImg ?></th>
<?php foreach ($this->headers as $header): ?>
<th id="<?php echo $header['id'] ?>" class="horde-split-left <?php if ($header['sorted']) echo ' ' . $this->sortdirclass ?>" width="<?php echo $header['width'] ?>">
<?php echo $header['label'] ?>
</th>
<?php endforeach ?>
</tr>
</thead>
<tbody id="notes_body">
|