Handle the phrases_dir nil in a more flexible way.

resources/install/scripts/app/xml_handler/resources/scripts/languages/languages.lua

@@ -34,14 +34,6 @@
 	--action = params:getHeader("action");
 	language = params:getHeader("lang");
 
---make sure phrase_dir variable is not nil
-	if (phrases_dir == nil) then
-		--define the variable
-			phrases_dir = '';
-		--include the config.lua and local.lua
-			require "resources.functions.config";
-	end
-
 --additional information
 	--event_calling_function = params:getHeader("Event-Calling-Function");
 
@@ -150,6 +142,9 @@
 							table.insert(xml, [[					</macro>]]);
 						end
 
+					--if nil do nt include language xml from the file system the phrases directory is not set in default settings - category: switch name: phrases_dir or its false
+						--it also can be nil if config.lua is not writable so that it can be defined in it
+						if (phrases_dir == nil) then
 							--read root xml language file, parse included xml files
 								local xml_file_paths = {}
 								local file_handle = io.open(phrases_dir.."/"..language.."/"..language..".xml", "r");
@@ -165,7 +160,6 @@
 									end
 									file_handle:close();
 								end
-
 							--iterate array of file paths, get contents of other xml macro files
 								for key, xml_file_path in pairs(xml_file_paths) do 
 									if (file_exists(xml_file_path)) then
@@ -180,6 +174,7 @@
 										xml_file:close();
 									end
 								end
+						end
 
 					--output xml & close previous file
 						table.insert(xml, [[				</macros>]]);