Sorry to be a bit cheeky here, but I was wondering if it was possible to request for a feature?
I am currently using this plugin on a site (with add_filter('widget_text', 'do_shortcode'); to ensure it works in widgets) and was wondering if it would be easy/possible to list sibling pages (using [sibling-pages]) and exclude the current page?
It would be very useful navigation wise.
Thanks!
http://wordpress.org/extend/plugins/list-pages-shortcode/
p/s: Something like this as per this post:
wp_list_pages('title_li=&exclude='.$post->ID);