implemented clipboard handling for cards

git-svn-id: svn://svn.code.sf.net/p/magicseteditor/code/trunk@83 0fc631ac-6414-0410-93d0-97cfa31319b6

src/util/prec.hpp

@@ -65,5 +65,8 @@ typedef unsigned int  UInt;
 /// Null pointer
 #define nullptr 0
 
+/// A string standing for a filename, has different behaviour when reading/writing
+class FileName : public String {};
+
 // ----------------------------------------------------------------------------- : EOF
 #endif