Renders a newsletter tag cloud.
Supports these attributes (defaults shown) :
‘smallest’, 8
‘largest’, 22
‘unit’, ‘pt’
‘number’, 45
‘format’, ‘flat’,
‘separator’, “\n”,
‘orderby’, ‘name’
‘order’, ‘ASC’
‘exclude’, ”
‘include’, ”
‘link’, ‘view’
See http://codex.wordpress.org/Function_Reference/wp_tag_cloud for details on the supported attributes.