Tested in both 5156 and 5169 updated images. In both cases grab a TextMorph, choose 'text color...' from the halo menu, play around with the text changing whatever you like and then choose 'cancel'. The result varies from 5156 to 5169. In 5156 the text is neither unchanged nor changed to exactly what you changed in the interface. In 5169 all changes are applied and 'cancel' is equivalent to 'accept'.
Ken Causey