"suspicious tag combination - oneway=yes together with lanes:backward" on roads with oneway:psv

[mkoniecz]

What steps will reproduce the problem?

1. Encounter road that in one direction is only for busses, bicycles and some similar exceptions
2. Create way with oneway=yes, lanes:backward, oneway:psv=no, oneway:bicycle=no etc ( ​https://www.openstreetmap.org/way/475556393 )
3. run validator

What is the expected result?

No complaints.

What happens instead?

"suspicious tag combination - oneway=yes together with lanes:backward" on road with oneway:psv

Please provide any additional information below. Attach a screenshot if possible.

​https://wiki.openstreetmap.org/wiki/Key:oneway:psv (I just created it)

​https://github.com/osm-fr/osmose-backend/issues/363 (equivalent osmose issue)

URL:https://josm.openstreetmap.de/svn/trunk
Repository:UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Last:Changed Date: 2018-10-23 01:34:26 +0200 (Tue, 23 Oct 2018)
Build-Date:2018-10-23 01:33:02
Revision:14358
Relative:URL: ^/trunk

Identification: JOSM/1.5 (14358 en) Linux Ubuntu 16.04.5 LTS
Memory Usage: 373 MB / 869 MB (88 MB allocated, but free)
Java version: 1.8.0_191-b12, Oracle Corporation, Java HotSpot(TM) 64-Bit Server VM
Screen: :0.0 1920x1080
Maximum Screen Size: 1920x1080
Dataset consistency test: No problems found

Plugins:
+ OpeningHoursEditor (34535)
+ buildings_tools (34572)
+ continuosDownload (82)
+ imagery_offset_db (34641)
+ measurement (34529)
+ reverter (34552)
+ todo (30306)

Last errors/warnings:
- W: No configuration settings found.  Using hardcoded default values for all pools.