manifest.json

{
	"manifest_version": 2,
	"name": "Nostalgy",
  "description": "Adds shortcuts to change folder, move/copy messages, with folder completion, and other utilities to archive or organise emails. User instructions at tools->addon settings->nostalgy->  Nostalgy usage directions",
	"version": "1.0.25",
	"author": "Alain Frisch, opto (Klaus Buecher)",
	"developer": {
		"name": "Alain Frisch, opto (Klaus Buecher)"
	},
 "legacy": {
    "type": "xul",
    "options": {
            "page": "chrome://nostalgy/content/edit_prefs.xul",
            "open_in_tab": false
        }    
  },
  
	"applications": {
		"gecko": {
			"id": "nostalgy@alain.frisch",
			"strict_min_version": "68.0"
		}
	}
}