Wordpress or other software converted ' or " quotes into ’ or ” smart quotes in example code?
The miracle cure is here, just paste, then click outside the textarea:
If you don't have any text, try this sample text:
„Good morning, Dave,” said HAL. ‚Good morning, Dave,’ said HAL. 
    if x == “test” or y == ‘y’:
        z = “z”
high-reversed-9 characters: ‛ and ‟
Please report any problems: mailto:ivan+smartquotes@ludios.org.