sneedmc/resources/versions/minecraft/1.3.json

{
	"id": "1.3",
	"time": "2013-08-06T13:00:00+02:00",
	"releaseTime": "2012-07-26T00:00:00+02:00",
	"processArguments": "legacy",
	"mainClass": "net.minecraft.client.Minecraft",
	"+traits": ["legacyLaunch"]
}
Set the window params inside the launcher part, depending on launcher type. Also create/change the new internal version files. 2014-05-06 21:39:02 +00:00			`{`
			`"id": "1.3",`
			`"time": "2013-08-06T13:00:00+02:00",`
			`"releaseTime": "2012-07-26T00:00:00+02:00",`
			`"processArguments": "legacy",`
			`"mainClass": "net.minecraft.client.Minecraft",`
			`"+traits": ["legacyLaunch"]`
			`}`