id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
15846	Option to merge all layers	naoliv	team	"If possible, could we have an option to merge all layers in a single step?
For example, if we have 10 layers and we want to merge them all, we need to issue 9 merges.

JOSM:
{{{
Relative:URL: ^/trunk
Repository:UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Last:Changed Date: 2018-01-28 23:08:56 +0100 (Sun, 28 Jan 2018)
Revision:13367
Build-Date:2018-01-28 22:25:44
URL:http://josm.openstreetmap.de/svn/trunk

Identification: JOSM/1.5 (13367 pt_BR) Linux Debian GNU/Linux testing (buster)
Memory Usage: 2120 MB / 7168 MB (1272 MB allocated, but free)
Java version: 9.0.1+11-Debian-1, Oracle Corporation, OpenJDK 64-Bit Server VM
Screen: :0.0 1600x900, :0.1 1280x1024
Maximum Screen Size: 1600x1024
Java package: openjdk-9-jre:amd64-9.0.1+11-1
Java ATK Wrapper package: libatk-wrapper-java:all-0.33.3-15
VM arguments: [--add-modules=java.activation,java.se.ee, -Dawt.useSystemAAFontSettings=on]
Dataset consistency test: No problems found
}}}"	enhancement	closed	minor		Core		duplicate