0. Set your Moodle to a lang pack that uses , as the decimal separator.(french, deutsch) 1. Try to create a numerical question with question text "Question {1:NUMERICAL:=10,3:0} Numérique". 2. Make sure there are no problems when you click 'Decode and verify question text'. The Answer should appears as 10,3 3. Make sure that after saving the question (without errors), you can preview it and answer with a , decimal separator. Use also the Fill in correct response which should be 10,3 Verify that the correct answer is shown as 10.3 . 4. Switch your language back to English, and test that when previewing you can now correctly answer the question with response 10.3. Use also the Fill in correct response which should be 10.3 Verify that the correct answer is shown as 10.3 . 5. Edit the initial question, Use the decode and verify button The Answer should appears as 10,3 Save as new question. Test that when previewing the new question you can correctly answer the question with response 10.3 or 10,3. Verify that the correct answer is shown as 10.3 .