useful for tablets and slippery mice, corrects for problem where a click has to have mouse down and mouse up in exactly the same place for a click to work by simulating a click even when there is a short drag.
You can set the radius, in pixels, within which the drag is considered to be a click by adding
to the advanced panel of the JOSM Edit Preferences dialogue. The defaut is 7.
will control how long between button down and up is allowed before the drag is no longer considered a click. The default is 250 milliseconds (a quarter of a second).
The JAR file for the plugin is here. It can also be downloaded and installed directly from the plug-in tab in the JOSM preference dialog.