Zoom out with minus key doesn't work on OSX

[MtnBiker]

What steps will reproduce the problem?

Clicking plus key (really equal) does zoom in, but clicking - does not zoom in.

Shift minus which technically is -, does zoom out.

URL:http://josm.openstreetmap.de/svn/trunk
Repository:UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Last:Changed Date: 2016-03-13 01:17:21 +0100 (Sun, 13 Mar 2016)
Build-Date:2016-03-13 02:35:00
Revision:9979
Relative:URL: ^/trunk

Identification: JOSM/1.5 (9979 en) Mac OS X 10.11.4
Memory Usage: 482 MB / 910 MB (329 MB allocated, but free)
Java version: 1.8.0_77-b03, Oracle Corporation, Java HotSpot(TM) 64-Bit Server VM
VM arguments: [-Djava.library.path=/Applications/JOSM.app/Contents/MacOS, -DLibraryDirectory=/Users/gscar/Library, -DDocumentsDirectory=/Users/gscar/Documents, -DApplicationSupportDirectory=/Users/gscar/Library/Application Support, -DCachesDirectory=/Users/gscar/Library/Caches, -DSandboxEnabled=false, -Dapple.laf.useScreenMenuBar=true, -Dcom.apple.macos.use-file-dialog-packages=true, -Dcom.apple.macos.useScreenMenuBar=true, -Dcom.apple.mrj.application.apple.menu.about.name=JOSM, -Dcom.apple.smallTabs=true]
Dataset consistency test: No problems found

[Don-vip]

what keyboard type are you using?

[Stereo]

I can reproduce this on the US and Dvorak keyboard.

[simon04]

Closed as duplicate of #12856.