[MIRROR] GPS Personalizations [Post TGPSUI] (#642)

* GPS Personalizations [Post TGPSUI]

* Delete gps.dm.rej

* Update gps.dm

* eol

code/game/objects/items/devices/gps.dm

@@ -7,6 +7,7 @@ GLOBAL_LIST_EMPTY(GPS_list)
 	w_class = WEIGHT_CLASS_SMALL
 	slot_flags = SLOT_BELT
 	origin_tech = "materials=2;magnets=1;bluespace=2"
+	unique_rename = TRUE
 	var/gpstag = "COM0"
 	var/emped = FALSE
 	var/turf/locked_location
@@ -135,10 +136,9 @@ GLOBAL_LIST_EMPTY(GPS_list)
 	..()
 	if(href_list["tag"] )
 		var/a = input("Please enter desired tag.", name, gpstag) as text
-		a = uppertext(copytext(sanitize(a), 1, 5))
+		a = copytext(sanitize(a), 1, 20)
 		if(in_range(src, usr))
 			gpstag = a
-			name = "global positioning system ([gpstag])"
 			attack_self(usr)
 
 /obj/item/device/gps/science