allow lang ezc function get more than one parameter

winixd/templates/winix.cpp

@@ -5,7 +5,7 @@
  */
 
 /* 
- * Copyright (c) 2008-2021, Tomasz Sowa
+ * Copyright (c) 2008-2022, Tomasz Sowa
  * All rights reserved.
  * 
  * Redistribution and use in source and binary forms, with or without
@@ -396,10 +396,27 @@ void winix_frame_is(Info & i)
 
 void lang(Info & i)
 {
-	i.res = !i.par.empty();
+	if( i.params.size() > 1 )
+	{
+		std::wstring key;
+
+		for(Ezc::Var & var : i.params)
+		{
+			key += var.str;
+		}
+
+		i.res = !key.empty();
 
-	if( i.res )
-		i.out << locale.Get(i.par);
+		if( i.res )
+			i.out << locale.Get(key);
+	}
+	else
+	{
+		i.res = !i.par.empty();
+
+		if( i.res )
+			i.out << locale.Get(i.par);
+	}
 }