<?php
/*
Plugin Name: Comment_#11231
Description: Just a plugin to test ticket #11231
*/

class Comment_11231
{
	function __construct()
	{
// for comments list
		add_filter('manage_edit-comments_columns',		array(__CLASS__, 'manage_edit_comments_columns'), 10, 1);
		add_action('manage_comments_custom_column',		array(__CLASS__, 'manage_comments_custom_column'), 10, 2);
	}
// for comments list
	public static function manage_edit_comments_columns($x)
	{
		$x['#11231']= '#11231';
		return $x;
	}

	public static function manage_comments_custom_column($column_name, $comment_id)
	{
		if ('#11231' != $column_name) return;
		echo '** #11231 **';
	}
}
$Comment_11231 = new Comment_11231();
?>