Add //unmark chat command, fix position setting not being reset by //reset.

Chat Commands.md

@@ -14,6 +14,12 @@ Show markers at the region positions.
 
     //mark
 
+### //unmark
+
+Hide markers if currently shown.
+
+    //unmark
+
 ### //pos1
 
 Set WorldEdit region position 1 to the player's location.

worldedit_commands/init.lua

@@ -36,6 +36,7 @@ minetest.register_chatcommand("/reset", {
 		worldedit.pos2[name] = nil
 		worldedit.mark_pos1(name)
 		worldedit.mark_pos2(name)
+		worldedit.set_pos[name] = nil
 		minetest.chat_send_player(name, "WorldEdit region reset", false)
 	end,
 })
@@ -51,6 +52,22 @@ minetest.register_chatcommand("/mark", {
 	end,
 })
 
+minetest.register_chatcommand("/unmark", {
+	params = "",
+	description = "Hide markers if currently shown",
+	privs = {worldedit=true},
+	func = function(name, param)
+		local pos1, pos2 = worldedit.pos1[name], worldedit.pos2[name]
+		worldedit.pos1[name] = nil
+		worldedit.pos2[name] = nil
+		worldedit.mark_pos1(name)
+		worldedit.mark_pos2(name)
+		worldedit.pos1[name] = pos1
+		worldedit.pos2[name] = pos2
+		minetest.chat_send_player(name, "WorldEdit region unmarked", false)
+	end,
+})
+
 minetest.register_chatcommand("/pos1", {
 	params = "",
 	description = "Set WorldEdit region position 1 to the player's location",