estou a utilizar o ficheiro com_docman_1.4.0beta2.zip que fiz o download aqui
http://joomlacode.org/gf/project/docman/frs/e lá dentro tem o ficheiro docman.xml que aparentemente está ok:
<?xml version="1.0" ?>
- <mosinstall type="component" version="1.0">
<name>docman</name>
<creationDate>September 2007</creationDate>
<author>DOCman Development Team</author>
<copyright>Copyright (c) 2003-2007 DOCman Development Team</copyright>
<license>This extension is released under the GNU/GPL License</license>
<authorEmail>support@joomlatools.org</authorEmail>
<authorUrl>
http://www.joomlatools.org</authorUrl>
<version>1.4.0beta2</version>
<description>DOCman is a document management and download component for Joomla! v1.0.x and v1.5.x</description>
- <params>
<param name="cat_id" type="text" default="" label="Default category ID" description="The ID of the category that should be loaded when the user clicks the DOCman menu item." />
</params>
- <files>
<filename>docman.html.php</filename>
<filename>docman.php</filename>
<filename>footer.php</filename>
<filename>includes_frontend/categories.php</filename>
<filename>includes_frontend/categories.html.php</filename>
<filename>includes_frontend/documents.php</filename>
....
....