ita_parse_arguments: disabled warning if unknown parameters are returned

Debug/test_ita_parse_arguments.m

@@ -31,3 +31,15 @@ end
 % - 
 
 
+%% test moving unknown options to second output
+struct.testpar = 1;
+struct.testpar2 = 2;
+
+parCell = {'testpar', 2, 'testpar2', 4,'unknown', 6};
+
+% this should give a warning
+[sArgs] = ita_parse_arguments(struct,parCell); 
+
+% this should not
+[sArgs,unknownParams] = ita_parse_arguments(struct,parCell); 
+

kernel/StandardRoutines/ita_parse_arguments.m

@@ -300,7 +300,9 @@ while (idx <= nArguments) % go through all arguments
 end
 
 if notFoundArguments == 1
-    ita_verbose_info([thisFuncStr callFuncStr 'Some arguments could not be found in the struct. They are returned separately.'],0);
+    if nargout < 2
+        ita_verbose_info([thisFuncStr callFuncStr 'Some arguments could not be found in the struct. They are returned separately.'],0);
+    end
 end