Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.
d6 was used in a question. What should be done with such tags?
Just remove it for now. If it recurs naturally, take further action.
These tags have resurfaced again, most have been changed to the correct tags, but I proposed they be made synonyms of 6 and 7