Encourage/Discourage Upload

(expert mode only)

An OSM data layer can have three states regarding its upload behavior, which are explained in the table:

state	code in the osm file	behavior on upload	how to set
true	upload='true'	no special behavior	by deactivating the Discourage upload button in the context menu of the osm data layer
false	upload='false'	a warning box appears if you really want t upload the layer	by activating the Discourage upload button in the context menu of the osm data layer
never	upload='never'	the upload button is greyed out so the upload is impossible	only by manually editing the osm file in an external text editor

The warning when you try to upload an "upload='false'" layer:

The idea behind these states is to prevent to accidentaly upload data which is not appropriate for the osm database (e.g. some fictional test data).

Note that you'll only get a warning about unsaved changes of layers of the states false or never if the state was already set in the osm file before adding the layer to JOSM.

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