Display link to deprecate a post if user has edit rights.

This is probably only useful for the backoffice or for very advanced/specific uses.

== Example ==

$Item->deprecate_link( $before = ' ', $after = ' ', $text = '#', $title = '#', $class = '', $glue = '&' );

== Parameters ==

* Name: before
* Default: (1 space)
* Usage: Displayed before link
* Name: after
* Default: (1 space)
* Usage: Displayed after link
* Name: text
* Default: ‘#’
* Usage: Link text. If it is ‘#’ then regular text will be displayed
* Name: title
* Default: ‘#’
* Usage: Link title/alt. If it is ‘#’ then regular title will be displayed
* Name: class
* Default: (no space)
* Usage: CSS class for the link
* Name: glue
* Default: ‘&’
* Usage: Glue between URL parameters

== Return value ==
This tag displays content only, it does not have a return value.