remove the old blue/starry background

(replaced with a transparent image so that
it can still be themed by Dreambuilder)
tidied up the formspec a bit

api.lua

@@ -252,7 +252,10 @@ function signs_lib.set_obj_text(pos, text)
 	local text_ansi = Utf8ToAnsi(text)
 	local n = minetest.registered_nodes[minetest.get_node(pos).name]
 	signs_lib.delete_objects(pos)
+	-- only create sign entity for actual text
+	if text_ansi and text_ansi ~= "" then
 		signs_lib.spawn_entity(pos, signs_lib.make_sign_texture(split(text_ansi), pos) )
+	end
 end
 
 -- rotation
@@ -1225,16 +1228,17 @@ function get_sign_formspec(pos, nodename)
 
 	local formspec = {
 		"size[6,4]",
-		"textarea[0,-0.3;6.5,3;text;;" .. minetest.formspec_escape(txt) .. "]",
-		"background[-0.5,-0.5;7,5;signs_lib_sign_bg.jpg]",
-		"button_exit[2,3.4;2,1;ok;" .. S("Write") .. "]"
+		"background[-0.5,-0.5;7,5;signs_lib_sign_bg.png]",
+		"image[0.1,2.4;7,1;signs_lib_sign_color_palette.png]", 
+		"textarea[0.15,-0.2;6.3,2.8;text;;" .. minetest.formspec_escape(txt) .. "]",
+		"button_exit[3,3.4;2,1;ok;" .. S("Write") .. "]"
 	}
 
 	if minetest.registered_nodes[nodename].allow_widefont then
 		local state = "off"
 		if meta:get_int("widefont") == 1 then state = "on" end
-		formspec[5] = "label[0.5,3.4;Use wide font]"
-		formspec[6] = "image_button[0.6,3.7;1,0.6;signs_lib_switch_" .. state .. ".png;"
+		formspec[#formspec+1] = "label[0.9,3.4;Use wide font]"
+		formspec[#formspec+1] = "image_button[1.1,3.7;1,0.6;signs_lib_switch_" .. state .. ".png;"
 				.. state .. ";;;false;signs_lib_switch_interm.png]"
 	end
 

depends.txt

@@ -1,7 +0,0 @@
-default
-intllib?
-screwdriver?
-streetspoles?
-streetlamps?
-cottages?
-prefab_redo?

description.txt

@@ -1 +0,0 @@
-Adds signs with readable text.

mod.conf

@@ -1,2 +1,6 @@
 name = signs_lib
-min_minetest_version = 5.2.0
+author = VanessaE
+depends = default
+optional_depends = intllib, screwdriver, streetspoles, streetlamps, cottages, prefab_redo
+description = Adds signs with readable text.
+min_minetest_version = 5.4.0

standard_signs.lua

@@ -14,7 +14,8 @@ signs_lib.register_sign("default:sign_wall_wood", {
 	allow_widefont = true,
 	allow_onpole = true,
 	allow_onpole_horizontal = true,
-	allow_yard = true
+	allow_yard = true,
+	use_texture_alpha = "clip",
 })
 
 signs_lib.register_sign("default:sign_wall_steel", {
@@ -35,7 +36,8 @@ signs_lib.register_sign("default:sign_wall_steel", {
 	allow_widefont = true,
 	allow_onpole = true,
 	allow_onpole_horizontal = true,
-	allow_yard = true
+	allow_yard = true,
+	use_texture_alpha = "clip",
 })
 
 minetest.register_alias("signs:sign_hanging",                   "default:sign_wood_hanging")