<input type="text" name="tags"/>
<button type="submit" name="action" value="add">Add tag</button>
</p>
</form>
<form action="admin_tags.php" method="post">
<table>
<tr>
<th>Tags</th>
<th>Aliases</th>
</tr>
<tr>
<td>
<select name="tags[]" multiple="multiple" size="25">
<?php
$tags = $catalog->enumerate_tags();
foreach ($tags as $tag) {
?>
<option value="<?php
echo htmlspecialchars($tag, ENT_QUOTES);
?>
"><?php
echo htmlspecialchars($tag, ENT_NOQUOTES);
?>
</option>
<?php
}
?>
</select>
</td>
<td>
