GerdP

I like the way JOSM does it: When you select a tag for editing, the dialog box shows the hint "(An empty value deletes the tag)" and that is what...

I think a final check is good but too late for this kind of problem. If one joins two ways with different tags (without noticing the effect) and later he...

Would be good if out meta and out deleted could be combined so that node(id:322918555,322918556);out meta deleted; would return data for both nodes, similar to the OSM multi fetch call...

Yes, that's understood now.