Typo in error message

[Famlam]

What steps will reproduce the problem?

1. Have a way with cycleway:right=lane and cycleway:left=lane

or

2. Have a way with maxspeed:forward=30 and maxspeed:backward=30

or

3. Have a way with sidewalk:left=yes and sidewalk:right=yes

What is the expected result?

Warning (in the cycleway case) Same value of cycleway:left and cycleway:right

What happens instead?

Warning (in the cycleway case) Same value of cycleway:left and cycleway

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

Due to a few checks at or below:
https://josm.openstreetmap.de/browser/josm/trunk/resources/data/validator/combinations.mapcss#L477

- way["sidewalk:left"=*"sidewalk:right"][!sidewalk] {
- way["cycleway:left"=*"cycleway:right"][!cycleway] {
- way["maxspeed:forward"=*"maxspeed:backward"][!maxspeed] {

each with

throwWarning: tr("Same value of {0} and {1}", "{0.key}", "{1.key}");

while {1.key} refers to the non-existing tag in the [!xxxxx] selector

Solution would be easy: add [sidewalk:right] or [cycleway:right] or [maxspeed:backward] respectively as the first or second selector

URL:https://josm.openstreetmap.de/svn/trunk
Repository:UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Last:Changed Date: 2020-09-06 16:54:59 +0200 (Sun, 06 Sep 2020)
Build-Date:2020-09-07 01:30:48
Revision:17013
Relative:URL: ^/trunk

Identification: JOSM/1.5 (17013 nl) Windows 10 64-Bit
OS Build number: Windows 10 Home 2004 (19041)
Memory Usage: 849 MB / 1820 MB (393 MB allocated, but free)
Java version: 1.8.0_261-b12, Oracle Corporation, Java HotSpot(TM) 64-Bit Server VM
Look and Feel: com.sun.java.swing.plaf.windows.WindowsLookAndFeel
Screen: \Display0 1920x1080 (scaling 1.0x1.0)
Maximum Screen Size: 1920x1080
Best cursor sizes: 16x16 -> 32x32, 32x32 -> 32x32
Dataset consistency test: No problems found

Plugins:
+ OpeningHoursEditor (35414)
+ imagery_offset_db (35405)
+ pt_assistant (2.1.10-80-g7d9bba3)
+ tageditor (35258)
+ turnlanes-tagging (283)
+ undelete (35521)
+ utilsplugin2 (35487)

Map paint styles:
- https://josm.openstreetmap.de/josmfile?page=Styles/Lane_and_Road_Attributes&zip=1
- https://josm.openstreetmap.de/josmfile?page=Styles/PublicTransport&zip=1

Validator rules:
+ %UserProfile%\Documents\tijdelijke bestanden\josm-eigen.validator.mapcss

[Klumbumbus]

In 17024/josm:

fix #19769, see #11389, see #19010 - Fix validator warning messages