id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
12936	[Patch] Do not use clone() on Dataset.	michael2402	team	"The dupplicate layer action used DataSet.clone()

This froze JOSM because both datasets were sharing the same RW-Lock.

I added a copy constructor that copies over all primitives to the new dataset."	defect	closed	normal	16.06	Core		fixed	gsoc-core	Don-vip bastiK stoecker