I was going to try editing this question, but there are no edit/retag links available:
At the same time, the link is there on other questions. For example:
I've run into another question where the "edit" link wasn't there, but I'm not sure if there's any similarity between them. They both were in the c# tag, but other C# questions had all the links as expected.
Am I missing something? (Other than the "edit" link. :))