id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
18894	Merge (selection): No user information about layer state `upload=*`	skyper	team	"==== What steps will reproduce the problem?
1. Have an empty data layer and a file with `upload=never` in osm header, e.g. [attachment:josm_18596_false_positive.osm.bz2:ticket:18596 example].
1. Merge layer or merge selection to empty data

==== What is the expected result?
At least a warning about `upload=never`

==== What happens instead?
No user information

==== Please provide any additional information below. Attach a screenshot if possible.
For value `false` a warning should be sufficient for `never` the action could be even denied.

{{{
Relative:URL: ^/trunk
Repository:UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Last:Changed Date: 2020-03-07 00:24:28 +0100 (Sat, 07 Mar 2020)
Revision:16051
Build-Date:2020-03-07 02:30:50
URL:https://josm.openstreetmap.de/svn/trunk
}}}
"	defect	new	normal		Core			template_report upload never false merge layer state