fix trailing whitespace in translatable strings

Good editors trim trailing whitespace from EOL.
This means we need to avoid translatable strings that include spacers at
the end. They need to be added in code.

pos.lua

@@ -152,7 +152,7 @@ minetest.register_chatcommand("area_pos", {
 			areas.set_pos[name] = "pos2"
 			return true, S("Select position @1 by punching a node.", "2")
 		elseif param == "get" then -- Display current area positions
-			local pos1str, pos2str = S("Position @1: ", "1"), S("Position @1: ", "2")
+			local pos1str, pos2str = S("Position @1:", " 1"), S("Position @1:", " 2")
 			if areas.pos1[name] then
 				pos1str = pos1str..minetest.pos_to_string(areas.pos1[name])
 			else