This plugin add the search post widget add on edit page and dashboard. Further, the edit button of previous/next post is add on edit page of the existing post.
Thereby, post edit will become slightly convenient.
You can send your own language pack to me.
Please contact to me.
This plug-in is not guaranteed though the user of WordPress can freely use this plug-in free of charge regardless of the purpose.
The author must acknowledge the thing that the operation guarantee and the support in this plug-in use are not done at all beforehand.
email to takenori.matsuura[at]gmail.com
twitter @tmatsuur