id	summary	reporter	owner	description	type	status	priority	milestone	component	version	severity	resolution	keywords	cc
13153	Bulk Edit overrites non hierarchical taxonomies	prettyboymp	nacin	"When bulk editing posts, leaving the post_tags field blank causes all the tags to be deleted for the updated posts.  Bulk editing taxonomies should only be additive like it is with hierarchical taxonomies.

To reproduce: 
1.  Set tags for a post
2.  Bulk edit that post, but don't make any changes.
3.  Hit Update.
The tags have been removed from the post."	defect (bug)	closed	high	3.0	Taxonomy		blocker	fixed	has-patch, tested, commit	mpretty@…